Banned pollutants threaten Europe’s remaining orcas

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Conservation

Banned pollutants threaten Europe’s remaining orcas

Killer whales are facing the threat of extinction in European waters as a result of lingering toxic chemicals banned as far back as the 1980s, according to research led by the Zoological Society of London and published today in the journal Scientific Reports.

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Baby hippo Hodor with mum Lola

Meet Hodor the baby hippo

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Pair of African hunting dogs at ZSL Whipsnade Zoo

African hunting dogs explore new...

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Superpowers at ZSL London Zoo and Whipsnade Zoo

Join us for ZSL's Superhero Takeover!

We’re celebrating the amazing superpowers of the animal kingdom!

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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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Brown bears at ZSL Whipsnade Zoo

Meet the newest brown bears at ZSL Whipsnade Zoo

Cinderella and Snow White are settling in well in their new home at ZSL...

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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

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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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Nuru the baby giraffe

How is our lovely baby giraffe Nuru getting on?

Discover more about adorable calf Nuru to celebrate World Giraffe Day.

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African dwarf crocodile

Snappy birthday to our trio of West African dwarf crocodiles!

Our keeper at ZSL Whipsnade Zoo lets us know how the three babies are...

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Giraffe heights at ZSL Whipsnade Zoo

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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 five-strong pack of sisters moved to their new home from sister site ZSL...

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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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Asian elephant with keepers

ZSL Whipsnade Zoo begins counting animals for annual stocktake

Keepers at ZSL Whipsnade Zoo have been busy counting thousands of animals...

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Sumatran tiger Achilles

Zoo babies of 2016

As the year draws to a close, we take a look back at some of the adorable...

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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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Living nativity promo

Living Nativity

Experience the magic of Christmas by enjoying ZSL London Zoo’s Living...

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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 elsuive 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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Penguin chick at annual weigh-in

Penguins waddle onto the scales at annual weigh in

Zookeepers at ZSL London Zoo had a tough job on their hands as they had to...

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Penguin chick in training pool

Penguin chicks' graduation day!

Adorable penguin chicks Nick Nack and Bracchino have just graduated to the...

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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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Sumatran tiger cub

Up Close With Our New Tiger Cubs

Keepers have released this amazing footage of the tiger twins

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Alika Gorilla at ZSL London Zoo

Gorillas get watermelon treats

The western lowland gorillas at ZSL London Zoo got special watermelon treats...

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Melati and the tiger cubs outside

Cute tiger cub twins make public debut

ZSL London Zoo’s adorable Sumatran tiger cubs have been captured on camera...

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Tiger cubs opening eyes

Magical moment tiger cubs open their eyes

The amazing moment two Sumatran tiger cubs open their eyes for the first...

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Adorable tiger cubs

Adorable Sumatran tiger cub twins born at ZSL London Zoo

Zookeepers have released incredible footage of the birth of two critically...

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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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Edward the sloth

Edward the two-toed sloth celebrates his first birthday

Our adorable two-toed sloth Edward celebrated his first birthday on May 31st...

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African hunting dogs feeding off zip line

African hunting dogs get zip-line enrichment

Watch our African hunting dogs' enjoying their zip-line enrichment.

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Baby ring-tailed lemurs

Whipsnade bounces into spring with baby lemurs!

Five baby ring-tailed lemurs have been born in our 'In With The Lemurs'...

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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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Lucha the Asian elephant

Lucha the elephant visits the dentist

Even elephants have to visit the dentist sometimes!

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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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ZSL London Zoo Stampede

Hundreds take on ZSL London Zoo's 10k Stampede

An amazing 550 runners took on the challenge of ZSL London Zoo's Stampede in...

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Penguin Beach

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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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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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Pygmy sloth climbing

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How difficult is it to track the world's smallest and slowest sloth?...

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Tamandua baby

Adorable baby tamandua is king of the piggyback!

An adorable baby tamandua has been born in Rainforest Life at ZSL London Zoo...

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Meerkat

Meerkat Feeding Time - 360 Degree Video!

Experience feeding time with the meerkats in 360 degrees!

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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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Stocktake 2016

Animals out for the count at ZSL London Zoo

Keepers undertake annual stocktake at ZSL London Zoo.

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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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Edward the Baby Sloth with his teddy

ZSL London Zoo's Top Zoo Babies of 2015

Our countdown of the top five zoo babies of 2015, as voted for by you!

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Baby Pygmy Hippo Ziama

ZSL Whipsnade Zoo's Top Zoo Babies of 2015!

Our top five zoo babies of 2015, as voted for by you!

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African hunting dog puppy

Puppy Alert! 11 adorable African hunting dog puppies born

ZSL London Zoo has seen the arrival of 11 African hunting dog puppies, for...

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Chimps and presents

Christmas comes early at Whipsnade!

Christmas came early for the animals of ZSL Whipsnade Zoo when keepers...

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Alika and Gernot

Adorable baby gorilla meets his sister!

Newborn baby gorilla Gernot meets his big sister Alika for the first time....

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Corfu Killifish

Saving the Corfu Killifish

Find out about how ZSL are working to protect the Critically Endangered...

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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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Edward climbing towards pumpkin

Baby sloth Edward gets ready for Halloween!

Adorable baby two-toed sloth Edward has been growing up fast and is really...

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Lemur with Halloween mask

Lemurs have fun with their Halloween masks!

Our playful ring-tailed lemurs have been getting in the Halloween spirit...

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Gorilla climbing at ZSL London Zoo

Gorillas love their new treehouse!

Watch as Kumbuka, Effie, Majukuu and even baby Alika get to grips with their...

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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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Baby rhino Bali at ZSL Whipsnade Zoo

Say hello to adorable baby rhino calf Bali!

Bali the greater one-horned rhino calf is winning hearts at ZSL Whipsnade...

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Baby elephant Sam enjoys giant birthday cake

Sam the baby elephant loves his birthday cake!

Baby Asian elephant Sam celebrated his first birthday in style with a giant...

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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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Baby Pygmy Hippo Ziama

Baby pygmy hippo is enjoying the sun

Baby pygmy hippo Ziama has been out exploring his outside paddock and...

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Ganas the Komodo Dragon

Here be dragons!

Say hello to Ganas, the new Komodo dragon at ZSL London Zoo

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Edward the Baby Sloth

Baby Sloth Edward Will Melt Your Heart!

This adorable baby sloth is being hand-reared at ZSL London Zoo and he might...

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Humboldt Penguin Chick

Adorable penguin chicks hand-reared at ZSL London Zoo

Two very cute little Humboldt penguin chicks are being hand-reared at ZSL...

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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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Cheeky Oscar the sea lion pup

Sea lion pup makes a splash!

Say hello to little Oscar, our Californian sea lion pup!

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Wildlife Champion Ben Fogle

Become a Wildlife Champion

Join Ben Fogle and become part of our Champion community and you too can...

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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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Ring-tailed lemur baby

Adorable baby lemurs born!

Four baby ring-tailed lemurs have been born at ZSL Whipsnade Zoo and they...

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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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Penguins

Why do penguins waddle?

Our penguins are helping scientists find out how their famous waddle evolved...

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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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Alika

Baby gorilla Alika is getting cuter by the day!

Find out how our adorable little baby western lowland gorilla Alika is...

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Jaffar the Black Vulture is taken on a walk around London Zoo

Jaffar - The Vulture Who Loves To Walk!

We all know dogs love to go on walks, but did you know ZSL London Zoo has a...

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Rockhopper penguin - welcome basket

Rockhopper Penguins Rock Up At ZSL Whipsnade Zoo

Seven rockhopper penguins have arrived at ZSL Whipsnade Zoo.

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Tiger Cub

Sumatran Tiger Cubs Celebrate 1st Birthday!

ZSL London Zoo’s trio of tiger cubs celebrated their first birthday!

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Panther Chameleon - ZSL Animal Photography Prize

How To Take Amazing Animal Photographs

Learn how to make your animal photography really stand out!

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Baby Pygmy hippo

Adorable baby pygmy hippo born

An adorable male pygmy hippo calf has been born at ZSL Whipsnade Zoo.

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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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ZSL YouTube Rewind 2014

ZSL YouTube Rewind 2014

Top 10 video clips featured on the ZSL YouTube channel in 2014!

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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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Meerkat Advent Fun

Animal Advent Calendars!

ZSL Whipsnade Zoo's animals have been getting into the festive spirit with...

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Baby western lowland gorilla

Baby gorilla born at ZSL London Zoo

Here is the first footage of the adorable baby gorilla born at ZSL London...

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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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Thomson’s gazelle calf AKA Larry

Cute Thompson's gazelle calf rescued by keepers

Watch the heart-warming story of little Larry the Thompson's gazelle calf....

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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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An emperor tamarin at ZSL London Zoo

Movember: How To Get the London Zoo Look!

Gets some Movember inspiration from the animal kingdom.

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Two tiger cubs investigate pumpkin

Tiger Cubs VS Pumpkins!

Our three Sumatran tiger cubs, Budi, Cinta and Nakal, celebrated their first...

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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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Zaire's the gorilla eating her cake

'Bake Off' Birthday cake for Zaire

Richard Burr, finalist in this year's Great British Bake Off, bakes a 40th...

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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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Forest the Kinkajou at Animal Adventures.

Say hello to Forest the kinkajou!

Is Forest the kinkajou our cutest animal ever?

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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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Video image for Living Planet report 2014

Living Planet Report 2014

Global wildlife populations have halved in just 40 years according to WWF...

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Newborn elephant calf

Baby elephant joins the herd!

Watch our baby elephant getting to know his family only a few hours after...

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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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Baby giraffe looks into the camera

Baby giraffe gives its mum the run around

Watch this giraffe calf exploring outside for the first time.

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seal survey thames

Seal numbers increasing in the Thames

Conservationists from ZSL have been surveying the increasing number of seals...

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Sealion being measured at ZSL Whipsnade Zoo

Animals hop on the scales at ZSL Whipsnade Zoo

The keepers at ZSL Whipsnade Zoo had their work cut out for them as they...

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ZSL London Zoo Promo image of melati and tiger cubs with logo

Bring your little cubs to ZSL London Zoo

Find out why ZSL London Zoo is the ultimate family day out!

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Baby Llama with Beyond The Zoo logo

Beyond 'The Zoo' - Llama Latest

Find out how our baby llama has been getting on.

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Kumbuka at annual weigh in, ZSL London Zoo

Animals weigh in at ZSL London Zoo

The animals at ZSL London Zoo weigh in.

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Baby Max

Beyond 'The Zoo' - Catch Up With Baby Max

This week we catch up with adorable baby elephant Max to find out how he is...

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Penguin chicks graduating onto Penguin Beach.

Beyond 'The Zoo' - Penguin Graduation

Go behind the scenes of ITV's 'The Zoo' to see what happened to the adorable...

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Keeper Adrian with penguin chick

The Zoo trailer

Watch the trailer for the brand new series of ITV's The Zoo.

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baby sloth at feeding time

Baby sloth at feeding time!

What's cuter than a baby sloth rolling around in vegetables?

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Tiger cub on a platform in Tiger Territory.

Tiger cubs growing fast

Find out how our tiger cubs are getting on in Tiger Territory.

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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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baby squirrel monkey

Adorable baby squirrel monkey

An adorable little new arrival has been brining smiles to visitors at ZSL...

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Effie the gorilla on a hot day at ZSL London Zoo.

Gorillas eat ice lollies in the sun

The gorillas at ZSL London Zoo cool down in the heat by eating ice lollies...

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Streak for Tigers

Streak for Tigers is back!

Fearless fundraisers are being invited to unleash their inner animal and...

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new female tamandua pops up

Meet our cute new tamandua

A super cute new tamandua, or tree anteater, has arrived at ZSL London Zoo's...

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Hippo outside

Holly the baby hippo enjoys the sun

Holly the baby hippo took advantage of the great summer weather to take her...

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trio of tiger cubs with Melati

Tiger cub names revealed!

Find out the names of our tiger cubs!

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Sloth baby

Surprise sloth baby at ZSL London Zoo

ZSL London Zoo has welcomed its first ever baby sloth, after a very surprise...

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Lucifer health check-up

Lucifer has health check-up ahead of big move

Lucifer, our male Asian lion, has had a health check-up ahead of his big...

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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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Close up of a baby lemur

Baby boom on Lemur Island

There has been a baby boom on Lemur Island at ZSL Whipsnade Zoo with six...

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Latte - baby llama 2014

Adorable llama babies take first wobbly steps

Watch our new baby llamas take their first wobbly steps!

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Penguin chicks at ZSL London Zoo

Feeding time for hungry penguin chicks

Find out what happens at feeding time for our very demanding yet totally...

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Tiger cub's first health check

Tiger cubs' first check up

The tiger cubs get their first health check up and we find out their sexes...

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A pygmy goat filmed on Kid Cam at ZSL Whipsnade Zoo's Hullabazoo Farm.

Kids-Eye View of Hullabazoo Farm

Get a kids-eye view of our new Hullabazoo Farm.

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Puddle the penguin chick goes for first swim in the training pool at ZSL London Zoo

Puddle the penguin chick has first swim

Puddle the penguin chick has swimming lessons.

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Thug the pygmy hippo in his new exhibit

Pygmy hippos explore their new home

Pygmy hippos Thug and Nicky explore their new home.

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Tiger cub outside in Tiger Territory for the first time.

Tiger cubs explore outside for the first time

Our three Sumatran tiger cubs tentatively explored Tiger Territory for their...

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Tiger cub investigates Cub Cam

Tiger cub investigates Cub Cam

We've been rumbled! Watch this inquisitive little tiger cub investigate our...

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Melati looks at cub as it opens it eyes at Tiger Territory.

CUB CAM: Tiger cubs open their eyes!

Our Sumatran tiger cubs open their eyes for the first time.

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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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Cub Cam still of Melati and her cubs in their den at Tiger Territory

CUB CAM: Cute tiger cub triplets play together!

Catch up with how the new cubs are getting on!

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Miniature donkeys Trevor and Tulip at the Hullabazoo Farm at ZSL Whipsnade Zoo.

Meet Trevor and Tulip the miniature donkeys!

They may be small in size but they have massive personalities!

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Tiger cubs feeding with Melati

Three Adorable Sumatran Tiger Cubs Born at ZSL London Zoo!

Sumatran tiger Melati has given birth to three healthy and very playful cubs...

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Image of a cheetah for the title still of the Ask A Keeper video

Ask a Keeper - Cheetahs

Our expert keeper Phil Curzon answers your questions about cheetahs.

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An otter at ZSL Whipsnade Zoo

Otters step on the scales at ZSL London Zoo

Find out how we've trained our otters to get weighed.

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Caiman lizard eating a snail at ZSL London Zoo's Reptile House.

How does a caiman lizard hunt?

Watch our amazing caiman lizard hunting for food.

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A baby humbolt penguin chick sits on a blanket at ZSL London Zoo's Penguin Beach

Prima-donna penguin chick born at ZSL London Zoo

Adorable penguin chick is already proving to be a bit of a demanding diva....

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Grant and Koko the chimpanzees play with Valentines Day enrichment at ZSL Whipsnade Zoo

Chimps go ape for their Valentine's Day gifts

ZSL Whipsnade Zoo's chimpanzee's get in the Valentines Day spirit.

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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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Close up of a sloth's face in Rainforest Life at ZSL London Zoo

How do you make a sloth smile?

Learn how we keep our sloths happy here at ZSL London Zoo.

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Baby common hippo goes for first swim at ZSL Whipsnade Zoo.

Baby hippo makes a big splash

Our new baby hippo makes a big splash!

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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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Baby macaque with his mum, born at ZSL London Zoo in December 2013

Adorable baby macaque born at ZSL London Zoo

Our adorable baby macaque Dobby gets ready to celebrate his first Christmas...

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ZSL London Zoo's meerkats get political

ZSL London Zoo's meerkats get to grips with politics, as they stamp their...

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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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Fire Walk ZSL challenge event

Brave fire walkers raise money for ZSL

72 brave fire walkers took on the hot coals in front of 172 spectators at...

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Volunteers and general public at ZSL London Zoo

Volunteer for ZSL

Find out more about what it's like to be a volunteer at ZSL.

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First birth of spiny-headed tree lizards

ZSL London Zoo celebrates first ever birth of spiny-headed tree lizards.

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An elephant being measured by its keeper for the annual weigh-in at ZSL Whipsnade Zoo.

How do you measure an elephant?

Find out how we measure and weigh the biggest, and smallest, animals in the...

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Waxy monkey frog on a weighing spoon during the annual weigh in at ZSL London Zoo.

Annual weigh in at ZSL London Zoo

Zoo keepers have gathered their scales and tape measures as they being the...

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Lookout Lodge at ZSL Whipsnade Zoo

ZSL - A Year in Review 2012

Here are some of the key highlights of ZSL's work during 2012.

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Ring tailed lemurs play on a scale model of Hullabazoo at ZSL Whipsnade Zoo.

Hullabazoo Adventure Play arrives at ZSL Whipsnade Zoo

Lemurs celebrate the launch of Hullabazoo Adventure Play with their own mini...

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HRH the Duke of Edinburgh launches Tiger Territory at ZSL London Zoo.

HRH The Duke of Edinburgh opens Tiger Territory

Watch HRH The Duke of Edinburgh officially open Tiger Territory.

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Tiger Territory - TV advert

Come within a whisker of nature's most breathtaking predator.

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ZSL Whipsnade Fire Walk 2013

Fearless fundraisers take on the fire walk.

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Harbour Seal in the Thames

ZSL Seal Survey 2013

Did you know there are seals in the Thames?

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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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Sumatran tiger Jae Jae goes for a swim in Tiger Territory at ZSL London Zoo.

Tiger swimming lessons a roaring success!

Did you know tigers are naturally very good swimmers?

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Keeper Angela Ryan with a camel at ZSL London Zoo.

How do you weigh a camel?

Find out how we are training our camels to use the scales.

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A group of penguins at ZSL London Zoo

Penguins predict summer is on the way

Can penguins predict the start of summer?

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Find out what it's like to be a veterinary nurse in one of the most famous zoos in the country. From giving a check up to a spider monkey to anaesthetising a tiger, our veterinary nurse Joanna has done it all.

Being a veterinary nurse

Find out what it's like to be a veterinary nurse in one of the most famous...

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Jae Jae the Sumatran tiger at ZSL London Zoo

How do you entertain a tiger?

Find out about the enrichment activities we use to keep our tigers...

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Penguin Beach Live demonstration

Behind the scenes - working at ZSL London Zoo

Behind the scenes with Lead Explainer - Ruth Thomas.

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A burrowing owl at ZSL Whipsande Zoo

Training Bob the burrowing owl

Bob the burrowing owl gets in training for the 100 centimetre sprint at ZSL...

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A slender lloris illuminated green in the Rainforest Life exhibit in ZSL London Zoo.

Things that go bump in the night

Find out about some of the weird and wonderful creatures that come out after...

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Split Screen photo comparing a house cat with Jae Jae the Sumatran tiger.

Is your cat like a tiger?

Find out how much your loveable moggy is like a powerful tiger.

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Partula snails getting ready to be released from ZSL London Zoo

Marvellous minibeasts quiz

Try out your minibeast knowledge with our interactive video quiz!

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Baby colobus monkey 2013 at ZSL London Zoo

A Zoo Guide to Parenting

Get some parenting tips from your favourite animal parents.

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Kumbuka the silverback gorilla at ZSL London Zoo

Ask a Keeper - Gorillas

Expert keeper Teague answers your questions about Kumbuka and the other...

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Red panda cub at ZSL Whipsnade Zoo

Ask A Keeper - Red Pandas

Our expert keeper Hayley Jakeman answers your questions about red pandas....

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

Ask A Keeper - Tigers

Our expert keeper Teague Stubbington answers your questions about tigers....

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A close-up of a humboldt penguin at ZSL London Zoo.

Ask A Keeper - Penguins

Our expert penguin keeper Zuzana answers your questions on penguins.

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A Mountain Chicken Frog; Leptodactylus fallax.

Fascinating Frogs

Get to know some of our most fascinating and unusual frogs.

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Close up of King cobra

Snake Fact File

Find out about some of the Reptile House's most interesting snakes.

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Botsman the Amur tiger rolling in the snow at ZSL Whipsnade Zoo

Get to know our cold weather creatures!

Here is a 'Fat and Fur' fact file to help you get to know our cold weather...

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A seahorse at ZSL London Zoo

A Dating Guide for Seahorses

Get some dating tips from our seahorses

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A zoo keeper counts baby elephant Max at the annual stock take at ZSL Whipsnade Z

Baby Max steals the show at annual animal count

Baby elephant Max stole all the attention at ZSL Whipsnade Zoo's annual...

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Kumbuka looks at sign in Gorilla Kingdom at ZSL London Zoo annual stock take 2013

Animals line up to be counted at ZSL London Zoo

The animals at ZSL London Zoo line up to be counted in the annual stock take...

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Squirrel monkey eating treats from a Christmas Tree enrichment at ZSL London Zoo

Squirrel monkeys enjoy Christmas tree treats

Don't you just hate it when a monkey steals all the Christmas tree treats?...

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Kumbuka celebrates his birthday at ZSL London Zoo 2013

Kumbuka enjoys birthday party in Gorilla Kingdom

Kumbuka celebrates his 16th birthday with a party in Gorilla Kingdom.

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Lucifer the lion stands next to a Halloween pumpkin at ZSL London Zoo

Animals celebrate Halloween at ZSL London Zoo

Watch animals take on pumpkins at ZSL London Zoo.

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A ring tailed-lemur plays with a Halloween pumpkin enrichment at ZSL Whipsnade Zoo

Animals play with Halloween pumpkins

The animals at ZSL Whipsnade Zoo get stuck into their Halloween treats.

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A squirrel monkey plays with a mirror enrichment at ZSL London Zoo

Squirrel monkeys fascinated by new mirror

The squirrel monkeys check themselves out in their new mirror.

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Cheetah cub looking at birthday cake at ZSL Whipsnade Zoo's Cheetah Rock

Cheetah cubs celebrate their first birthday!

The cheetah cubs make a right mess at their first birthday party

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Pygmy Hippo Thug opens his birthday presents at ZSL London Zoo

Happy birthday to Thug the pygmy hippo!

Thug the pygmy hippo celebrates his 17th birthday.

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Kumbuka the gorilla at ZSL London Zoo

New male gorilla Kumbuka settles in to Gorilla Kingdom

Meet the new King of Gorilla Kingdom.

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Ring-tailed lemur at ZSL Whipsnade Zoo

Acrobatic new lemurs move in

Check out how acrobatic these new lemurs are.

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Galapagos tortoises Polly and Prescilla being fed at ZSL London Zoo

New Galapagos tortoises Polly and Prescilla settle in at ZSL London Zoo

Meet our new Galapagos tortoises Polly and Prescilla.

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Willow the female giraffe calf at ZSL Whipsnade Zoo

Meet our beautiful baby giraffe!

Say hello to Willow, our beautiful baby giraffe.

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Max the baby elephant at ZSL Whipsnade Zoo.

Cute Alert! Baby elephant born at ZSL Whipsnade Zoo

Meet Max, the 22 stone baby elephant calf!

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Baby okapi calf Daphne outside at ZSL London Zoo.

Baby Okapi starts to explore

Baby Okapi calf Daphne gives her mum the run around.

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Baby tapir Adi in his den at ZSL London Zoo.

Say hello to Adi the baby tapir!

Cute baby Tapir Adi heads outside for the first time!

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Baby penguin chicks Bamm-Bamm and Pebbles at ZSL Whipsnade Zoo.

Baby penguins Bamm-Bamm and Pebbles hand-reared at ZSL Whipsnade Zoo

Meet our adorable new baby penguins Bamm-Bamm and Pebbles.

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Baby meerkats at ZSL London Zoo

Two cute baby meerkats join the gang at ZSL London Zoo

Two adorable baby meerkats have joined the gang at ZSL London Zoo and are...

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Baby Asian rhino Jamil with mother Behan at ZSL Whipsnade Zoo.

Mums and babies celebrate first Mother's Day at ZSL Whipsnade Zoo

Mothers and their new borns get ready to celebrate their first Mother's Day...

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One of the cotton-top tamarin twins on his mum's back in the Rainforest Life exhibit at ZSL London Zoo.

Meet our cute baby Cotton-top Tamarin monkeys!

Say hello to our cute baby Cotton-top Tamarin twins as these little monkeys...

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Lion cubs Heidi and Indie go outside for the first time with mum Abbey at ZSL London Zoo.

Lion Cubs born at ZSL London Zoo August 2011

Amazing footage of lion cubs Heidi and Indie being born at ZSL London Zoo....

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Chimpanzee carrying away Christmas present at ZSL Whipsnade Zoo

Cheeky chimpanzees love their Christmas presents

Christmas arrived early for the cheeky chimpanzees at ZSL Whipsnade Zoo.

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A group of otters at ZSL London Zoo

It's otter than ever at ZSL London Zoo!

See our otters enjoy their feed in the summer sunshine! 

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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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Asian rhino, from rhinos of Nepal

Rhino house goes green

Rhino house goes green at ZSL Whipsnade Zoo

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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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A komodo dragon at ZSL London Zoo.

Raja gets spoilt on Chinese New Year

Raja the Komodo Dragon gets a 'wash n go' followed by a New Year's snack of...

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