Tracking the world's smallest sloth | Wild Science

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Conservation

Tracking the world's smallest sloth | Wild Science

How difficult is it to track the world's smallest and slowest sloth? Actually, very difficult! In this month's Wild Science we're looking at how scientists from the Zoological Society of London have been using innovative new tracking technology to learn more about the elusive pygmy three-toed sloth.

Find out more about the conservation work being done to support the survival of the pygmy three-toed sloth here

Featured Videos

Meerkats with Easter eggs at ZSL London Zoo

Eggcitement at the Zoo

White rhino calf Nandi and mum Tuli at Whipsnade Zoo

A mega meal for a mighty mum

Baby sloth Terry at ZS London Zoo

Meet our adorable baby sloth!

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Meerkats with Easter eggs at ZSL London Zoo

Eggcitement at the Zoo

Meerkats and gorillas enjoy Easter egg hunt at ZSL London Zoo

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White rhino calf Nandi and mum Tuli at Whipsnade Zoo

A mega meal for a mighty mum

Keepers treat rhino mum and her calf to a special Mother’s Day breakfast at...

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Nuru the giraffe celebrates her 6th birthday with a special cake

Happy 6th birthday Nuru!

Nuru the giraffe celebrates her 6th birthday with a special cake made by...

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Llamas and alpacas go for festive walk around ZSL London Zoo

Season’s Greetings from ZSL

From all of us at ZSL we wanted to say a huge THANK YOU for your incredible...

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Guinea Pig Village

Our guinea pig village gets a festive makeover

Our guinea pigs woke up to find their village had been transformed into a...

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Meerkats countdown to Christmas at ZSL London Zoo

Countdown to Christmas

Meerkats enjoy advent calendar treats to mark first day of December

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Baby sloth Terry at ZS London Zoo

Meet our adorable baby sloth!

A baby sloth has been born at ZSL London Zoo

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Baby southern white rhino Nandi and mum Tuli explore their paddock

Baby Nandi takes her first steps outside

Southern white rhino calf, Nandi, has taken her first steps outside at ZSL...

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Cyril, the red-legged seriema at ZSL London Zoo

Super Species Live is back!

Super Species Live is back at ZSL London Zoo

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baby tamandua

Meet baby Bueno

Adorable footage of our baby tamandua, born in July 2021

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A utahraptor in Zoorassic Park at ZSL Whipsnade Zoo

Zoorassic Park - it's (literally) too big to miss!

Zoorassic Park has everything you need to keep the kids entertained this...

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Experts abseil down the Grade II listed Snowdon Aviary to carefully peel away the first of 200 mesh panels

The Snowdon Aviary – one year to go!

The Snowdon Aviary at London Zoo was ‘unwrapped’ signalling a defining...

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Squirrel monkeys help to put up bunting at ZSL London Zoo

Squirrel monkeys 'help' put up bunting

Our mischievous squirrel monkeys have been 'helping’ to put up colourful...

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Hodor the hippo enjoys birthday treats alongside mum Lola

Hip hip-po ray, Hodor is four today!

Hip hip-po ray, Hodor is four today, and keepers gave him some birthday...

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Pygmy hippo Nicky keeps cool in her private pool at ZSL London Zoo

Hippo paddle

Keepers at ZSL London Zoo have shared envy-inducing footage of pygmy hippo...

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A squirrel monkey explores dinosaur eggs at ZSL Whipsnade Zoo ahead of the opening of Zoorassic Park

Squirrel monkeys investigate 'dinosaur' eggs

Our squirrel monkeys explore 'dinosaur eggs' ahead of our Zoorassic Park...

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A lemur sticks their tongue out at ZSL London Zoo

We like to cool it, cool it…

ZSL London Zoo’s ring-tailed lemurs given ice lollies to keep cool

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Our lemurs at ZSL Whipsnade Zoo predict an England win

Our lemurs predict the football score ahead of the England v Denmark game

Our lemurs predict the football score ahead of the England v Denmark game...

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Meeting the Penguins at ZSL London Zoo

Meet the Penguins at ZSL London Zoo

Get up close to our colony of Humboldt penguins with a Meet the Penguins...

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Otters Carol and Ernie at ZSL Whipsnade Zoo

Otter cuteness from Carol and Ernie

We've got a whole l'otter love for Carol and Ernie

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Keeper Mick gives our camels a hair cut at ZSL London Zoo

Our camels get a summer haircut

Zookeepers gave our moulting camels a helping hand on the hottest day of the...

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Hippos Hodor and Lola in their pool on a sunny day at ZSL Whipsnade Zoo

Hippos keep cool in the pool

Hippos Hodor and Lola keep cool in their pool

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Senior curator Paul Pearce-Kelly places confiscated corals safely in a display case

Tiny Giants - now open!

ZSL’s senior curator of invertebrates and fish, Paul Pearce-Kelly, tells you...

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lady standing in front of Whipsnade Zoo sign

Keeper Rosie takes on a 35-mile trek from London Zoo to Whipsnade Zoo

Keeper Rosie takes on a 35-mile trek from London Zoo to Whipsnade Zoo

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A butterfly in Butterfly Paradise

Join Jodie in Butterfly Paradise

Join Jodie to learn all about the lifecycle of a butterfly and our bug-...

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Lima the alpaca at ZSL Whipsnade Zoo

Say hello to our adorable new arrivals

We've had a baby boom at Whipsnade, as well as the arrival of four adorable...

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Ica the alpaca at ZSL Whipsnade Zoo

Meet our new alpacas at Whipsnade!

Say hello to our four fluffy new arrivals on the farm!

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Meerkats come face to face with an AT-AT walker as keepers at ZSL London Zoo celebrate Star Wars Day

Happy Star Wars Day!

Keepers treated our animals to Star Wars-themed enrichment to celebrate....

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Dwarf zebu Raj at Hullabazoo Farm

Raj gets his hair done

As hairdressers around the country reopened on 12 April, our dwarf Zebu Raj...

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A litter of woolly, Mangalitsa piglets at ZSL Whipsnade Zoo

Adorable piglets born at ZSL Whipsnade Zoo

Zookeepers at Whipsnade are celebrating a baby boom, including two litters...

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Professor Lew the Chinese giant salamander

Meet our Chinese giant salamander, Professor Lew

Join keeper Kim to learn all about our Chinese giant salamander, Professor...

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Giraffe calf Margaret takes her first steps outside

First big adventure for giraffe calf Margaret

Baby giraffe, Margaret, has taken her first steps outside at ZSL Whipsnade...

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A white rhino knocks down cardboard boxes

Whipsnade Zoo's gates crash open

Our ‘crash of rhinos’ put on a smashing ceremony to reopen the Zoo! 

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Keeper Paul Taylor-Nelson feeds the penguins before reopening at ZSL London Zoo

London Zoo is open!

Our Humboldt penguins joined the reopening excitement at ZSL London Zoo

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African hunting dog at ZSL London Zoo

Watch our hunting dogs in action with keeper Luke

Join predator keeper Luke to learn all about our African hunting dogs and...

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Andy gives you a sneak peek of some egg-citing Easter activities

Make your own Easter Egg with Andy

Here's Andy teaching you how to make your very own Easter egg.

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A squirrel monkey with Easter eggs at ZSL London Zoo

Easter Eggcitement for our meerkats and squirrel monkeys

Squirrel monkeys and meerkats eggsplore Easter treats at ZSL London Zoo.

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Jodie with Guy the gorilla statue at ZSL London Zoo

Join Jodie for an Easter egg hunt around ZSL London Zoo

Join Jodie for an Easter egg hunt with a difference around ZSL London Zoo...

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Elizabeth the elephant enjoys Easter treats at ZSL Whipsnade Zoo

Elizabeth's Easter ele-egg-hunt

Our youngest elephant, four-year old Elizabeth, was treated to an egg-stra...

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Two otters at ZSL London Zoo

Say hello to our very squeaky otters

Join Nadine and our very squeaky otter family!

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A meerkat at ZSL London Zoo

Meet our meerkats with Jodie

Join Jodie as she tells you all about our meerkat mob at ZSL London Zoo. ...

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Northern white-cheeked gibbon

Hanging out with our gibbons

Join Sonya as she hangs out with our gibbons, Jimmy and Yoda!

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A mangabey at ZSL London Zoo

Meet our mangabeys

Join Ben and keeper Nick with our mangabeys!

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Andy gives you a sneak peek of some egg-citing Easter activities

Get a sneak peek of egg-citing Easter activities!

Andy gives you a sneak peek of some egg-citing Easter activities

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Sumatran tiger Gaysha at ZSL London Zoo

Meet Gaysha

Jodie introduces you to our newest Sumatran tiger, Gaysha, at ZSL London Zoo...

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Elizabeth the elephant in the pool at ZSL Whipsnade Zoo

Making a splash

Elizabeth is back splashing in her pool!

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Adorable Nilo and mum Tashi at ZSL Whipsnade Zoo

Happy Mother's Day Tashi!

Keepers captured this video of adorable baby Nilo and mum Tashi ahead of...

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Tapon the hippo

Spring is beginning to spring!

Our pygmy hippo, Tapon, is fond of the warmer weather and enjoyed his first...

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Tashi and Nilo

As a keeper - your red panda questions answered

Watch the video of keeper Grant from ZSL Whipsnade Zoo to find out what...

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A Humboldt penguin under water at ZSL London Zoo

Fly like a penguin (sort of!)

Can you fly like a penguin?

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Tapon the pygmy hippo swims underwater at ZSL Whipsnade Zoo

Meet Tapon - underwater!

Say hello to Tapon - our 15 year old pygmy hippo at ZSL Whipsnade Zoo!

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European brown bear at ZSL Whipsnade Zoo

Use an exercise ball like a bear!

Can you exercise like a bear?

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Gaur at ZSL Whipsnade Zoo

Ask a zookeeper - your gaur questions answered!

Watch the video of keeper Luke from ZSL Whipsnade Zoo to find out what...

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Colombo the sloth bear eats his breakfast in a tree at ZSL Whipsnade Zoo

Colombo's close up

When keepers put Colombo's breakfast in the tree for him to find, they also...

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Our members are the heartbeat of ZSL

Members are the heartbeat of ZSL

In time for Valentine's Day, our zookeepers want to share the love with all...

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Winnie the Bear statue at ZSL London Zoo

Tails from the Zoo with Poppy - Valentine's Special

This Valentine's Day, we're bringing you a special episode of Tails from the...

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Presenter Ben with our flamingos in the background at ZSL London Zoo

Get ready for Vets at Home

We're transforming our Vets In Action into brand new virtual sessions on...

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Otters Carol and Ernie at ZSL Whipsnade Zoo

Otter underwater enrichment

Watch our otters with their underwater enrichment feeder.

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Bhanu the Asiatic lion at ZSL London Zoo

Ask a zookeeper - your lion questions answered!

Keeper Tara answers your lion questions.

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Lemur at ZSL London Zoo

Ask a zookeeper - your lemur questions answered!

Keeper Charlotte answers your lemur questions!

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Truffle the baby sloth at ZSL London Zoo

Breakfast time for our sloths

Here's a cute clip of our sloths stealing the monkeys' breakfast!

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A sunset at ZSL Whipsnade Zoo

Wind down with a Whipsnade sunset

Take a deep breath, remember the beauty on your doorstep and enjoy winding...

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Gernot the gorilla at ZSL Whipsnade Zoo

Somersault like a gorilla!

Playful gorilla toddler shows off perfect roly poly in candid footage shared...

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Sumatran tiger Gaysha at ZSL London Zoo

Ask a Zookeeper - your tiger questions answered!

Join keeper Kate to find out what members wanted to know about our tigers...

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Okapis Oni and Ede enjoy their lunch at ZSL London Zoo

It's lunchtime for Ede and Oni

Baby Ede the okapi was born in September 2020 and look how much she's grown...

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Eurasian lynx at ZSL Whipsnade Zoo

Jump like a lynx!

Get yourself moving and jump like a lynx

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A meerkat poses by a post box at ZSL London Zoo

Merry Christmas and a huge thank you from everyone at ZSL

We'd like to wish you a very Merry Christmas and say a huge thank you for...

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Red river hogs play with their festive blankets

Pigs in blankets

Red river hogs enjoy a festive treat at ZSL London Zoo 

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Genghis the camel ventures out of his paddock for his very own stocking at ZSL London Zoo

Oh camel ye faithful

Genghis the camel tucks into a Christmas stocking

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An Amur tiger playing in a leaf pile at ZSL Whipsnade Zoo

We'll just leaf this here...

Just our Amur tigers Makari, Dmitri and Czar playing in a pile of leaves at...

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Elvis the sengi at ZSL London Zoo

Meet Elvis the sengi

Adorable Elvis the sengi - exactly what we need right now.

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Sea lion pup Maui eats his first fish at ZSL Whipsnade Zoo

Maui eats fish for the first time!

Our youngest sea lion pup, Maui, has now been weaned onto fish - and it...

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Tiger

Your Zoos Need you

The pandemic has had a huge impact on zoos, safari parks and aquariums. It...

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Adorable Nilo and mum Tashi at ZSL Whipsnade Zoo

Tashi and baby Nilo - the cutest thing you'll see today!

We love this adorable clip of baby red panda Nilo and mum Tashi - guaranteed...

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There's a whole l'otter fun to be had at the Zoo this half term

Otterly terrifying

Carol and Ernie have a whole l'otter fun with their own carved pumpkin to...

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They might not be everyone’s idea of a treat but raw chicken wings are Asim’s favourite

Asim sinks his teeth into Halloween at ZSL London Zoo

Keepers carved the creepy creation for our Sumatran tiger, Asim, to...

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A guinea pig sits inside Ivy Cottage at ZSL Whipsnade Zoo

Have you seen our Guinea Pig Village?

Look who's moved into our brand new village!

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Sea lion at ZSL Whipsnade Zoo

An important message from our keeper, Alex

Our keeper Alex has some important news to share with you about our sea...

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Truffle the baby sloth at ZSL London Zoo

Meet our newest arrival - a baby sloth!

This is the first footage of our newest arrival at ZSL London Zoo - a baby...

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Keeper Eva Konczol weighs the Humboldt penguins at the Annual Weigh In at ZSL London Zoo

A weighty matter

Penguins, squirrel monkeys and camels are just some of the creatures who had...

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Hodor the hippo takes a dip in the pool on his third birthday

Hip hip-po ray, it's Hodor's birthday!

Our youngest hippo, Hodor, celebrated his third birthday on 21 July 2020

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Two otter pups, nicknamed Bubble and Squeak, have been born at ZSL London Zoo

We're otterly in love with our pups

Here's some adorable footage of our otter pups to brighten up your day! You'...

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Two otter pups, nicknamed Bubble and Squeak, have been born at ZSL London Zoo

Otterly adorable pups!

Keepers at ZSL London Zoo have shared the exciting moment first-time parents...

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Baby greater one-horned rhino, Zhiwa, at ZSL Whipsnade Zoo

Zhiwa's cutest moments

Baby Zhiwa is 6 months old - we're looking back on some of her cutest...

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Elizabeth the elephant plays in the pool at ZSL Whipsnade Zoo

Elizabeth's having a splashing time!

Elizabeth's having a splashing time! Can you believe she celebrated her...

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Hoover the hippo enjoys his cabbages at ZSL Whipsnade Zoo

Help us keep our animals in cabbages

Our keepers at ZSL Whipsnade Zoo have been boosting morale by practising...

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An emperor tamarin in Rainforest Life

Ben brings the Zoo to you from Rainforest Life

Ben's back, bringing the Zoo to you, this time from Rainforest Life! 

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A close-up of an armadillo

Meet Jack, our large hairy armadillo

Keeper Brandon introduces you to Jack, our large hairy armadillo and shares...

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An endangered Przewalski’s foal has been born at ZSL Whipsnade Zoo

Some fancy footwork from Shargahan...

Our endangered Przewalski’s foal has been spotted practising some fancy...

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Rhinos Behan and Zhiwa enjoyed a rainbow-coloured ice block

Rainbow treats for our rhinos

Behan and Zhiwa enjoying their rainbow ice block in the sunshine

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A lemur enjoys a sweet potato ice pop in the sunshine at ZSL London Zoo

Ice pops in the sunshine for our lemurs

Join our lemurs as they enjoy a sweet potato ice pop in the sunshine...

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A pregnant Oni the okapi at ZSL London Zoo

Okapi kick-aboo!

We've released amazing video taken by keepers, showing the moment our newest...

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Male elephant Ming Jung is introduced to the female herd at ZSL Whipsnade Zoo

Time for a dip?

As Britain basks in glorious sunshine ahead of the bank holiday, ZSL...

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ZSL Director General, Dominic Jermey

A message from ZSL's Director General Dominic Jermey to our members

We are so grateful for the kind messages and support from our members during...

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Squirrel monkey at ZSL London Zoo

Ben and our squirrel monkeys bring the Zoo to you

Ben's joined by our squirrel monkeys as he brings you another fun (and...

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Two zebras at ZSL Whipsnade Zoo

Meet our Grevy's zebra herd as we bring the Zoo to you

Meet our Grevy's zebra herd as they enjoy their lunch, as we bring the Zoo...

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Bears play-fighting at ZSL Whipsnade Zoo

Just three playful bears

Our European brown bears play-fighting in the sunshine.

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Bandit our golden-headed lion tamarin

Bandit and her box

We're bringing the Zoo to you with help from Bandit and her box. 

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Three deer fawns sat on grass

Fourteen extinct-in-the-wild deer have been born

Our keepers have got a spring in their step, after welcoming 14 fawns to the...

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Ring-tailed lemurs enjoy treats at the end of the rainbow at ZSL Whipsnade Zoo

Treats at the end of the rainbow

Our ring-tailed lemurs are helping us show our support for key workers

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Postman Butterfly square image

Ben brings the Zoo to you from our Butterfly House

Ben introduces you to our comet moth, as he brings the Zoo to you from our...

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Lemur at ZSL London Zoo

Sonya, Mark and our lemurs bring the Zoo to you!

Join Sonya, Mark and our ring-tailed lemurs as we bring the Zoo to you!

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Baby rhino Zhiwa steps onto the scales as she nears five months old

Zhiwa steps onto the scales

Zhiwa steps onto the scales ahead of turning five months old

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Koko the chimpanzee at ZSL Whipsnade Zoo

Look who's coming to dinner!

Keepers give our chimps a chance to lap up appreciation for our gallant NHS...

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rockhopper penguin with baby

Introducing Wilfred, the baby rockhopper!

A rare penguin chick which will grow up to sport a head of blonde feathers...

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A meerkat at ZSL London Zoo

Ben and our meerkats bring the Zoo to you

Join Ben as he brings the Zoo to you with help from our meerkats!

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Sea lion at ZSL Whipsnade Zoo

Keeper diary: Alex Pinnell and our sea lions

Keeper Alex shares her video diary and introduces you to our very noisy and...

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Baby sloth curled up in his mother's arm

Happy 1st birthday Elio!

Our baby sloth, Elio, celebrates her 1st birthday on 30 April!

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An endangered Przewalski’s foal has been born at ZSL Whipsnade Zoo

An endangered Przewalski’s foal has been born

There’s another new baby at the Zoo! Say hello to our endangered Przewalski’...

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A squirrel monkey at ZSL Whipsnade Zoo enjoys rainbow-themed treats

Our squirrel monkeys loved their rainbow-themed treats

Our squirrel monkey troop love investigating new things, so keepers hid...

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Khari the giraffe at ZSL Whipsnade Zoo

Happy 1st birthday Khari!

Our youngest giraffe celebrated his 1st birthday on 26 April 2020 with a...

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A rabbit in our Hullabazoo Farm area of ZSL Whipsnade Zoo

Meet your favourite farmyard friends

Meet some of Hullabazoo Farm's residents

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Giraffe at ZSL London Zoo stand tall next to an NHS sign to say thank you to key workers

We love zoo, NHS

We've put up a symbolic sign of appreciation above our Giraffe House to...

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A camel at ZSL London Zoo

Join Noemie the camel as she explores the Zoo!

Hoofstock keepers Joe and Mick take Noemie for her regular walk around the...

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A giraffe at ZSL London Zoo

Happy birthday, dear Louis!

Keepers at ZSL London Zoo send birthday wishes to HRH Prince Louis of...

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Oni the okapi at ZSL London Zoo

Ben and Oni the okapi bring the Zoo to you

Join Ben and Oni for a fun fact about the okapi - take note for your next...

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Khari the giraffe at ZSL Whipsnade Zoo

Elise and our giraffes bring the Zoo to you!

Our tower of giraffes enjoy an afternoon snack as we bring the Zoo to you!...

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Wild boar piglets have been born at ZSL Whipsnade Zoo

Meet our adorable piglets

First time Mum Wilma and Dad Otis have welcomed five tiny piglets into our...

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A butterfly in Butterfly Paradise

Journey through our Butterfly House and Aquarium

Take a few minutes to relax, unwind, and journey through our Butterfly House...

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Baby yak Ginny at ZSL Whipsnade Zoo

Meet Ginny, our adorable baby yak

Sticking to the tradition of naming our yak herd after Harry Potter...

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Otters Matilda and Pip at ZSL London Zoo

Tara and our otters bring the Zoo to you

Join keeper Tara for a recall training session with our otters! 

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Meerkats enjoy Easter egg treats at ZSL London Zoo

Eggciting Easter treats for our meerkat mob

Predator keeper Tom gives our meerkat mob some eggciting Easter eggs to...

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Baby mongoose pups at ZSL London Zoo

Four go on an adventure…

‘Adventurous four’ dwarf mongoose pups have been born at ZSL London Zoo.  ...

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Elizabeth the elephant plays in the pool at ZSL Whipsnade Zoo

Just a little clip of Elizabeth playing

Watch Elizabeth the elephant have the BEST time playing! We hope she makes...

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Behan and Zhiwa explore the large paddock in the sunshine at ZSL Whipsnade Zoo

Baby Zhiwa explores the large paddock for the first time!

Baby rhino Zhiwa explores the large paddock for the first time with mum...

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African back-footed penguins at ZSL Whipsnade Zoo

Elise and our penguins bring the Zoo to you!

Join Elise and our penguins as we bring the Zoo to you! 

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Jessica with kune kune pig Kiri

Keeper diary: Jessica Courtney-Jones - Animal Activities

Join keeper Jessica for a behind the scenes tour of ZSL London Zoo. Watch to...

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Gorilla keeper David with his model in Gorilla Kingdom

Keeper diary: David Waite - Primates

Join keeper David to watch recall training in action with our Hanuman langur...

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Dave with a leech at ZSL London Zoo

Keeper diary: Dave Clarke - BUGS

BUGS team leader, Dave Clarke, shares his video diary, showing how our...

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A pygmy goat at ZSL London Zoo

We'll bleet again

Our pygmy goats miss you!

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Our keepers at ZSL London Zoo are standing in solidarity with the NHS

We're standing in solidarity with our NHS

Zookeepers at ZSL London Zoo stand in solidarity with our NHS.

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Baby rhino Zhiwa plays with a ball at ZSL Whipsnade Zoo

Just a baby rhino playing with a ball... 

With everything going on at the moment, we hope baby Zhiwa makes you smile...

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An Amur tiger climbs a tree to get to enrichment

Enjoy the fresh air this spring at the UK's largest Zoo!

Get outdoors and enjoy the fresh air this spring at the UK's largest Zoo!...

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Red river hogs at ZSL London Zoo

Meet our red river hog family

Our new red river hog family have very different personalities, but have one...

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Baby rhino Zhiwa loves having a shower

When the kids start getting restless...

When half term's only just started and the kids are already getting restless...

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Keepers carry out an ultrasound on okapi Oni

Our beautiful okapi, Oni, is pregnant!

Oni has been having regular ultrasounds since keepers first suspected she...

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Two bears playing in the water at ZSL Whipsnade Zoo

Our bears make a splash!

Our European brown bears at ZSL Whipsnade Zoo have been captured on camera...

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Ijuma the giraffe at ZSL Whipsnade Zoo

Happy birthday Ijuma!

A huge happy birthday to Ijuma who celebrated her 12th birthday on 1...

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Baby mongoose pups at ZSL London Zoo

Lunchtime for our mongoose pups

Dwarf mongoose mum Norma gave birth to two adorable pups in November, and...

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Sleep over at the Zoo!

Ever wondered what it would be like to sleep over at the Zoo? 

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Star the baby tamandua at ZSL London Zoo

Adorable baby Star!

Visit adorable baby Star in Rainforest Life!

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Baby rhino Zhiwa loves having a shower

Just a baby rhino having a shower...

Baby Zhiwa splashing around in the water is the cutest thing! 

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A lemur takes part in the annual stocktake at ZSL Whipsnade Zoo

Keepers kick off stocktake at ZSL Whipsnade Zoo

ZSL Whipsnade Zoo’s keepers have begun the mammoth task of counting every...

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Rockhoppers enjoy an early Christmas treat at ZSL Whipsnade Zoo

Hoppy New Year from our rockhopper penguins

We're wishing you a Hoppy New Year!

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Khari the giraffe calf at ZSL Whipsnade Zoo

Meet some of 2019's new arrivals!

2019 brought us some adorable new arrivals at ZSL Whipsnade Zoo!

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Otters Matilda and Pip at ZSL London Zoo

Happy New Year from some of our new arrivals

We're looking back at some of ZSL London Zoo's new arrivals in 2019!

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The squirrel monkeys take part in the annual stocktake at ZSL London Zoo

Our animals stand up to be counted

Our keepers have had a busy start to 2020 as they dusted off their...

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Marilyn the sloth gave birth to Lento on 12 February 2018, just in time for Mother's Day!

Warm up this winter at ZSL London Zoo

Warm up this winter in our indoor animal exhibits at ZSL London Zoo!

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Star the baby tamandua at ZSL London Zoo

A Star is born at ZSL London Zoo…

We're celebrating the Christmas arrival of a baby tamandua called Star at...

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A baby greater one-horned rhino has been born at ZSL Whipsnade Zoo

Meet our adorable baby rhino

Meet our adorable baby greater one-horned rhino at ZSL Whipsnade Zoo.

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Our white rhinos explore a giant Christmas present at ZSL Whipsnade Zoo

Animals enjoy fab-yule-ous festive surprises

Our white rhinos, lions, lemurs and pygmy goats woke up to fab-yule-ous...

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An Amur tiger climbs a tree to get to enrichment

Enrichment fun for our Amur tigers

The ‘cubs’ put in a good effort, but it was dad Botzman who showed them how...

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Greater one-horned rhino Hugo at ZSL Whipsnade Zoo

Meet our gentle giant Hugo

Meet gentle giant Hugo, one of our greater one-horned rhinos at ZSL...

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Pygmy hippo Tapon celebrates his birthday at ZSL Whipsnade Zoo

Happy birthday Tapon!

Pygmy hippo, Tapon, celebrated his 14th birthday on Monday 11 November 2019...

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Otters Matilda and Pip at ZSL London Zoo

Matilda and Pip had a whole l’otter fun!

Matilda and Pip had a whole l’otter fun getting their claws on their...

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Asiatic lioness Indi scratches at the iconic lamp post from The Lion, the Witch and the Wardrobe

The lion, the witch and the lamp post…

Bhanu, Heidi, Rubi and Indi woke up to the iconic lamp post from The Lion,...

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A squirrel monkey enjoys pumpkin treats

Our animals are getting into the Halloween spirit

Our animals at ZSL Whipsnade Zoo are getting into the Halloween spirit in...

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Elio and Marilyn the sloths in Rainforest Life at ZSL London Zoo

Hanging out with mum

We've got slow much love for baby sloth Elio and her mum Marilyn ahead of...

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A reptile's eye

All eyes on the gruesome side of nature!

All eyes on the gruesome side of nature this Halloween half term! Join us...

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Partula varia reintroduction on Huahine

Partula snail species return to the wild after 25 years!

Two Extinct-in-the-Wild Partula snail species have returned to their native...

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Bhanu the Asiatic lion at ZSL London Zoo

Those eyes!

Visit our handsome Bhanu at ZSL London Zoo! 

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Adorable baby sloth Elio at ZSL London Zoo.

It's a girl!

Our adorable baby sloth Elio is a girl!

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Ring-tailed coati Brush steps onto the scales at ZSL London Zoo

The weight is over…

Our keepers have been using ingenious tactics to entice our animals to stand...

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A McCords Box turtle is weighed at ZSL Whipsnade Zoo's annual weigh in

It's a weighting game at ZSL Whipsnade Zoo

A huge-scale operation is well underway as our animals step onto the scales...

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Kumbuka the gorilla at the ZSL London Zoo weigh-in

Keepers have a tall task on their hands in our epic annual weigh-in!

Keepers at ZSL London Zoo have one week to weigh and measure 592 different...

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Sumatran tiger Asim at ZSL London Zoo

What's a tiger's favourite perfume?

Who’d have thought that Asim would choose that as his favourite scent!

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Overheard in the Zoo

Overheard at the Zoo...

You’d be amazed at the things our keepers overhear around the Zoo. Here are...

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A lionesses eats her breakfast from the seesaw to celebrate World Lion Day

Our pride enjoy their custom-built 'seesaw' ahead of World Lion Day

Watch our pride show off their prowess and strength with their brand-new,...

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Going down the slide on HMS Beagle

Animal Adventure - the perfect place for little ones this summer

Our all-new children’s zoo and play park is the perfect place for little...

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A Critically Endangered Pinstripe damba shows its toothy grin

Delve deeper into our Aquarium and conservation work

Discover more about ZSL's conservation work with freshwater fish, and visit...

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A porcupine at ZSL London Zoo

How do you play with a porcupine?

Lena, Nancy and Polly are about as prickly as playmates get!

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Five things you didn't know about lions

Five things you didn't know about Lions

Our experts reveal five amazing facts that you're bound to never have heard...

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Malcolm the aye aye

Malcolm’s moved! 

We’re saying goodbye to Malcolm who has moved to Bristol Zoo Gardens as part...

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Rubi with her birthday present at ZSL London Zoo

Happy 10th birthday Rubi!

Lioness Rubi celebrated her 10th birthday with a giant birthday present...

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Rainforest Life Keeper cam

Explore Rainforest Life with our ‘keeper-cam’!

Explore Rainforest Life with our London Zoo ‘keeper-cam’!

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Giraffe at ZSL London Zoo on our keeper cam

Keeper's eye view

Ever wondered what a zookeeper’s day is like? Take a peek with our keeper...

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Giraffe calf Khari outside in the sunshine

Khari in the sunshine

Our giraffe calf Khari, born on 26 April 2019, has been enjoying the...

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Elio the baby sloth at ZSL London Zoo

Meet baby Elio

Meet Elio our adorable baby sloth at ZSL London Zoo!

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A Humboldt penguin lays her eggs at ZSL London Zoo

Amazing moment a penguin lays her egg on World Penguin Day

Zookeepers capture the moment three-year old Humboldt penguin Braccino lays...

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Daenarys the penguin in Penguin Beach

Keepers'-eye view of Penguin Beach

Get the zookeepers’-eye view down at Penguin Beach.

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A tiger cub at ZSL Whipsnade Zoo

Father and son

Amur tiger cub Makari cuddles up with dad Botzman at ZSL Whipsnade Zoo.

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Brightly coloured eggs were stuffed with tasty crickets for our coatis

'Eggs’ marks the spot

Keepers at ZSL London Zoo shelled out on an eggs-tra special surprise for...

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Poco with his birthday present

Happy first birthday Poco!

Poco turns one on 31 March 2019 and keepers treated him to an early birthday...

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Marilyn and Lento with Mother's Day flowers

Happy Mother's Day Marilyn!

Our two-toed sloth Marilyn was treated to some beautiful flowers for Mother'...

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Luna the giraffe

Up close and personal with our giraffes

Come face-to-face with the tallest mammal in the world at ZSL Whipsnade Zoo...

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Effie eating at ZSL London Zoo

Did somebody say food?!

Effie is well-known in the Zoo for her huge appetite and will happily steal...

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Nuru the giraffe enjoys her birthday treat at ZSL Whipsnade Zoo

Happy third birthday Nuru!

Nuru the giraffe celebrated her third birthday on 24 February 2019 with a...

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A blue monitor lizard at ZSL London Zoo

Batanta and his puzzle box

Blue monitor lizards are known for their amazing ability to problem solve....

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Keepers have been busy taking stock of each invertebrate, bird, fish, mammal, reptile and amphibian

ZSL Whipsnade Zoo's annual 2019 stocktake

ZSL Whipsnade Zoo’s keepers began the mammoth task of counting every animal...

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Meet the Giraffes at Whipsnade Zoo

Meet the Giraffes at ZSL Whipsnade Zoo

Get up close to the world's tallest animals with this special Meet the...

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Cheetah at ZSL Whipsnade Zoo

Happy International Cheetah Day!

We celebrated International Cheetah Day on 4 December 2018!

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Meeting the monkeys in Rainforest Life at ZSL London Zoo

Meet The Monkeys Experience at ZSL London Zoo

Watch what happens in our Meet the Monkeys experience in Rainforest Life!...

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Meerkat at ZSL London Zoo

Meet the Meerkats at ZSL London Zoo

Meet our inquisitive meerkat family whilst feeding them their favourite...

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A Humboldt penguin at ZSL London Zoo

P-P-Penguin Time!

Meet our Head of Birds, Zuzana, as she talks about our fantastic colony of...

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Sumatran tiger Jae Jae at ZSL London Zoo's annual stocktake

ZSL London Zoo's annual stocktake 2019

In January 2019, zookeepers at ZSL London Zoo dusted off their clipboards,...

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Amur tiger cub with a Christmas stocking

It’s a Whipsnade wonderland for our animals this Christmas

December 2018 was the very first Christmas for ZSL Whipsnade Zoo’s three...

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Rainbow with her cuddly toy penguin

Meet some of 2018's new arrivals!

As 2018 draws to a close, we're looking back at some of our new arrivals...

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Meghan the okapi on her first birthday

Happy first birthday Meghan!

Meghan the okapi celebrated her first birthday on 3 December 2018 with tasty...

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Amur tiger cub at ZSL Whipsnade Zoo

Our Amur tiger cubs are still as cute as ever!

Our Amur tiger cubs - Czar, Makari and Dmitri - will be six months old in...

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Gernot and Alika investigate the birthday present

Kumbuka celebrates his 21st birthday

Happy birthday to Kumbuka who turned 21 on 15 November 2018

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Western lowland gorillas at ZSL London Zoo enjoy Halloween treats

Our gorillas explore a giant pumpkin patch

Breakfast time had a macabre makeover for our gorillas in October 2018 at...

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Rodrigues fruit bat at ZSL London Zoo

Visit our fang-tastic animals

Visit our fang-tastic animals at ZSL London Zoo!

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Meghan the okapi with keeper Gemma

Happy World Okapi Day!

Meghan the okapi celebrates World Okapi Day 2018!

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African elephants in Kenya

Animals of the Savannah

Animals of the Savannah is a stunning new collection inspired by African...

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Rainbow the penguin chick at ZSL London Zoo

Premature penguin saved by heroic keepers at ZSL London Zoo

Discover how Rainbow was saved by heroic keepers at ZSL London Zoo

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Naya and Amur tiger cubs at ZSL Whipsnade Zoo

Our tiger cubs are starting to open their eyes!

Our adorable Amur tiger cubs at ZSL Whipsnade Zoo were born on 23 June 2018...

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Naya and Amur tiger cubs at ZSL Whipsnade Zoo

Amur tiger cubs born at ZSL Whipsnade Zoo!

Four endangered Amur tiger cubs were born to mum Naya and dad Botzman in...

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Marilyn and Lento

Lento loves to wake mum up to play

Our adorable baby two-toed sloth Lento loves to wake mum up for a play.

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A Humboldt penguin at ZSL London Zoo

Spring is in the air!

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Counting the squirrel monkeys in ZSL Whipsnade Zoo's annual stocktake

ZSL's annual stocktake - 2018

ZSL's keepers have been counting the animals in the annual stocktake 2018....

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Marine biologists from ZSL are completing the 2017 annual seal survey

ZSL's conservation highlights of 2017

As we near the end of 2017, we take a look back at some of the year's...

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Hanuman langur Kamala at ZSL London Zoo

Meet some of the new arrivals at ZSL London Zoo this year!

As we near the end of 2017, we're looking back at some of the new arrivals...

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Baby hippo Hodor with mum Lola

We look back at some of ZSL Whipsnade Zoo's new arrivals in 2017

As 2017 draws to a close, we take a look back at some of ZSL Whipsnade Zoo's...

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Dominic Jermey, ZSL Director General

Meet ZSL's new Director General Dominic Jermey

Meet ZSL's new Director General Dominic Jermey who was appointed in November...

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Baby hippo Hodor with mum Lola

Meet Hodor the baby hippo

Say hello to ZSL Whipsnade Zoo's latest arrival, Hodor the baby hippopotamus...

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Sumatran tiger

ZSL is working for a future with tigers

On International Tiger Day, 29th July, discover how ZSL is working for a...

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Giraffe heights at ZSL Whipsnade Zoo

Caring for our giraffe's feet

Ever wondered how you give a giraffe a pedicure? Our dedicated keepers here...

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HM The Queen opens Centre for Elephant Care

HM The Queen opens Centre for Elephant Care

ZSL Whipsnade Zoo’s brand new Centre for Elephant Care was given the royal...

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Pair of African hunting dogs at ZSL Whipsnade Zoo

African hunting dogs explore new home at ZSL Whipsnade Zoo

Our pack of sisters moved to their new home in Spring 2017.

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Aye-Aye baby and mum

Aye-aye love you mum

Aye-aye mum Salem caught showing off her parenting skills in footage...

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Seals spotted during the 2016 seal survey

ZSL: Working for wildlife in 2016

It's been another great year for Science and Conservation at ZSL, discover...

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Sensations education session

What happens on a school visit to ZSL London Zoo?

Bring your pupils along for a visit at ZSL London Zoo and discover all that...

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Curious Creatures: Okapi

Curious Creatures: Okapi

Discover fascinating facts about the elusive okapi in our latest Curious...

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Elizabeth

Elephant calf Elizabeth loves to play!

Elizabeth the Asian elephant loves playing in the sand!

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With Wildlife campaign banner Elephant

Imagine a world without wildlife

ZSL are working for a world #WithWildlife.

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Male Hihi bird

Hihi Conservation: The Science of Reintroduction

Find out about the science behind the reintroduction of New Zealand's rare...

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scientists use binoculars to look for seals

Spotting seals on the Thames - 360° Video

Experience a seal survey in this 360 video.

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Seal survey 2016

Annual survey shines a light on Thames Estuary’s seals

Did you know there were seals in the Thames?

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Male badger. Image (c) Seth Jackson

Badgers may not spread TB to cattle through direct contact

Close contact between badgers and cattle may not be responsible for the...

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Sir David Attenborough with Komodo dragon

Komodo dragon house renamed in honour of Sir David Attenborough

Sir David Attenborough joined staff at ZSL London Zoo to mark the official...

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Mountain Chicken Frog

Battling one of the fastest species declines on record | Wild Science

Find out how scientists are battling to save the mountain chicken from...

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Komodo Dragon Ganas walking

Komodo Dragon | Curious Creatures

Discover more about the world's largest lizard and the clever method it uses...

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Elizabeth the Asian elephant calf

Say hello to Elizabeth the elephant calf!

ZSL Whipsnade Zoo are celebrating the birth of a rather regal Asian elephant...

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Manta rays

Exploring one of the world's most protected oceans

Find out about the Chagos Archipelago, one of the world's last pristine...

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Take the #OneLess pledge!

Take the #OneLess pledge to tackle plastic pollution!

Will you take the #OneLess pledge?

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Wild Science

Investigating the mystery of strandings | Wild Science

Find out about ZSL scientists who act as the CSI of the sea.

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ZSL health-check for Royal ravens

ZSL health check for royal ravens

Ravens at the Tower of London get a health check.

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Sir David Attenborough and Bulu the orangutan

Happy Birthday Sir David Attenborough!

Find out how Sir David Attenborough has inspired ZSL staff to work for...

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An ocelot with dinner, caught on camera trap in Panama

Animals caught on conservation 'Speed Cameras'

ZSL scientists use camera-traps as animal 'speed cameras'.

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School children at Penguin Beach at ZSL London Zoo

What is the role of the modern zoo?

Prof. David Field explains the role and responsibilities of a modern zoo and...

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Land of the Lions

Land of the Lions | 360° Tour | Temple Ruins

Take a 360 degree tour of part of ZSL London Zoo's new immersive exhibit...

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Forest Guard Training

Could you be a Forest Guard?

Try out this interactive video to find out if you have what it takes to be a...

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Indian high street inside Land of the Lions

Land of the Lions | 360° Tour | High Street

Take a 360 degree tour of the High Street in our brand new Land of the Lions...

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Meet our Hanuman langurs

Hanuman Langur | Curious Creatures

This week's Curious Creature is the cheeky Hanuman langur. Find out more...

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Xena serval

Meet Xena - our all-action serval!

Find out about ZSL London Zoo's all-action new arrival, Xena the serval.

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Bhanu

What inspired Land of the Lions?

Find out how life around India's Gir forest inspired the design of Land of...

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A mother Asiatic lion walking with her two cubs in the Gir forest, Gujarat, India.

Protecting Asiatic lions in the Gir Forest

Find out how ZSL and its partners are working to protect the majestic...

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HM The Queen and HRH The Duke observing Asiatic lion

Land of the Lions gets Royal seal of approval!

Land of the Lions has been given a royal opening by HM The Queen and HRH The...

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Gentle lemur

Gentle Lemur | Curious Creatures

This week's Curious Creature is the fabulously fuzzy gentle lemur!

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Stranded killer whale, © ZSL

Banned pollutants threaten Europe’s remaining orcas

Find out why Killer whales are facing the threat of extinction in European...

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Melita Samoilys Grouper survey in Chagos

ZSL: Working for Wildlife in 2015

Highlights of how ZSL has been working for wildlife in 2015.

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Golden orb-weaver

Golden Orb Weaver Spider | Curious Creatures

This week's Curious Creature is the fascinating Golden Orb-Weaving Spider....

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Aye aye

The secret life of the mysterious Aye-Aye

Find out about the most mysterious creature at ZSL London Zoo!

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West African dwarf crocodile

Awesome crocodile feeding footage!

Zoo keepers at ZSL Whipsnade Zoo have been using a GoPro to record how the...

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Surinam Toad

Surinam Toad | Curious Creatures

This week's Curious Creature is the bizarre-looking Surinam Toad.

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Eel Animation

The Amazing Life Cycle of the European Eel

Find out about the incredible life cycle of the Critically Endangered...

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Conservation

ZSL - Let's Work For Wildlife

At ZSL our vision is a world where animals are valued, and their...

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A Redback Spider, Latrodectus hasselti, in the Bugs! exhibit at ZSL London Zoo.

Are Spiders Dangerous?

Find out how spiders are actually more likely to save your life than do you...

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Butterfly on flowers in the Butterfly House exhibit.

Butterfly Paradise at ZSL Whipsnade Zoo

Get up close to some of natures most beautiful creatures!

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In With The Spiders

Get 'In With the Spiders' at ZSL London Zoo

Get closer to one of nature's most fascinating creatures!

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Asiatic lion on road, Gir

Help ZSL protect the Asiatic lion

ZSL are working to secure the future of the critically endangered Asiatic...

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Baby Camels

Baby camels become best friends!

Watch these two baby camels become the best of friends!

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Lemur in In with the Lemur exhibit

How do you build a Madagascan forest?

Go behind the scenes and find out how our Horticulture team brought this...

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Whipsnade Visitor Centre - outside view

New Visitor Centre launches at ZSL Whipsnade Zoo

Check out ZSL Whipsnade Zoo's brand new Visitor Centre!

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A screengrab from the Go for Salamander video

Go for salamander

This film documents the awareness-raising campaign 'Go For Salamander' based...

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Jewel wasp curious creatures

Jewel Wasp | Curious Creatures

Learn about the jewel wasp - the insect body-snatcher!

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What is a pangolin?

What is a Pangolin?

Find out all about the amazing and critically endangered pangolin.

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Llamas at the Stocktake 2015

Animals stand up to be counted at ZSL London Zoo

The animals at ZSL London Zoo lined up two by two to be counted by their...

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Mountain chicken frog nest

Saving The Mountain Chicken Frog | Breeding

Learn about how ZSL are helping to breed Mountain chicken frogs on their...

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Chinese Giant Salamander

Chinese Giant Salamander | Curious Creatures

This week's Curious Creature is the amazingly weird Chinese Giant Salamander...

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Chinese giant salamander

Giants on the Edge

Find out about how ZSL are working to save the Chinese giant salamander.

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Caiman lizard curious creatures

Caiman Lizard | Curious Creatures

This weeks Curious Creature is the magnificent caiman lizard.

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Grey slender loris

Grey Slender Loris | Curious Creatures

This week's Curious Creature is the rather odd looking grey slender loris....

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Ethiopian Wolf

ZSL and the IUCN Red List

Find out how ZSL and the IUCN Red List work together to conserve some of the...

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Beaded Lizard Curious Creatures

Beaded Lizard | Curious Creatures

This week's Curious Creature is the ancient and mysterious beaded lizard....

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Longhorn cowfish Curious Creatures

Longhorn Cowfish | Curious Creatures

This week's Curious Creature is the adorable looking longhorn cowfish.

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Komodo Dragon

How To Train Your Dragon

Learn about how we train our amazing Komodo dragons.

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Axolotl Curious Creatures

Axolotl | Curious Creatures

Find out about the ancient and mysterious Axolotl and its amazing powers of...

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Releasing the mountain chicken frogs in Montserrat

Mountain chicken frogs released on Montserrat

Find out what happened when Critically Endangered mountain chicken frogs...

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Pangolin on a tree hugging a branch.

Eating pangolins to extinction - Video

The enigmatic pangolin, or scaly anteater, is literally being eaten out of...

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Lions400

ZSL launch Lions400 Campaign

Lions400 is the Zoological Society of London's campaign to secure the future...

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Meet the Rainforest

'Meet the Animals' experiences

Find out more about the brand new Meet the Animals experiences launched at...

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The Duke of Cambridge arrives at ZSL and is met by Ralph Armond and Sir Patrick Bateson.

United for Wildlife Symposium at ZSL

HRH The Duke of Cambridge joined the United for Wildlife organisations at a...

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Photo of Winnie the bear with her keeper, with a background illustration from Winnie the Pooh book.

The bear who inspired Winnie-the-Pooh

Learn the fascinating story about the bear who inspired Winnie-the-Pooh.

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Prince William and Charles visiting Conservation Science

Royalty meet conservation leaders at ZSL London Zoo

TRH The Duke of Cambridge and The Prince of Wales meet conservation leaders...

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Chagos island

Chagos Environment Outreach Project

ZSL have teamed up with the ...

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Screenshot of first footage of West African seahorse

First video of elusive West African seahorse

First ever footage of a little known species of seahorse.

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Pygmy sloth climbing

The Search for the Pygmy Three-toed Sloth on Escudo

Two ZSL EDGE scientists set out on a population survey of critically...

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Jae Jae, a Sumatran Tiger, at ZSL London Zoo.

Saving Sumatran tigers in Berbak National Park

Find out how ZSL are working to save wild Sumatran tigers.

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Pygmy hippo caught on camera trap

First film footage of the endangered pygmy hippopotamus in Liberia

This film, shot in Sapo National Park, 2011, is the first to capture a wild...

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Chagos coral reef

Project Ocean - fish are worth more to humanity than gold

Find out all about Project Ocean.

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IoZ staff and students 2013

About the Institute of Zoology

Find out about the work of the Institute of Zoology in this video.

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Sumatran tiger captured on a camera trap

ZSL Camera Trap Captures Footage of Elusive Sumatran Tiger

ZSL is able to monitor the tiger population in specific areas through the...

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Sumatran tiger bones

ZSL conservationists discover remains

ZSL tiger biologist, Citra, and her team are on a routine patrol in Berbak...

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Squirrel monkey playing with camera

ZSL Video Channel

Welcome to the ZSL Video channel!

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