The Institute of Zoology (IoZ) is a world-renowned research centre working at the cutting edge of conservation biology, and specialising in scientific issues relevant to preserving animal species and their habitats.
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We’re celebrating the amazing superpowers of the animal kingdom!
ZSL's keepers have been counting the animals in the annual stocktake 2018....
As we near the end of 2017, we take a look back at some of the year's...
As we near the end of 2017, we're looking back at some of the new arrivals...
As 2017 draws to a close, we take a look back at some of ZSL Whipsnade Zoo's...
Cinderella and Snow White are settling in well in their new home at ZSL...
Meet ZSL's new Director General Dominic Jermey
Say hello to ZSL Whipsnade Zoo's latest arrival, Hodor the baby hippopotamus...
On International Tiger Day, 29th July, discover how ZSL is working for a...
Discover more about adorable calf Nuru to celebrate World Giraffe Day.
Our keeper at ZSL Whipsnade Zoo lets us know how the three babies are...
Ever wondered how you give a giraffe a pedicure? Our dedicated keepers here...
ZSL Whipsnade Zoo’s brand new Centre for Elephant Care was given the royal...
Our five-strong pack of sisters moved to their new home from sister site ZSL...
Aye-aye mum Salem caught showing off her parenting skills in footage...
Keepers at ZSL Whipsnade Zoo have been busy counting thousands of animals...
As the year draws to a close, we take a look back at some of the adorable...
It's been another great year for Science and Conservation at ZSL, discover...
Experience the magic of Christmas by enjoying ZSL London Zoo’s Living...
Bring your pupils along for a visit at ZSL London Zoo and discover all that...
Discover fascinating facts about the elsuive okapi in our latest Curious...
Elizabeth the Asian elephant loves playing in the sand!
Zookeepers at ZSL London Zoo had a tough job on their hands as they had to...
Adorable penguin chicks Nick Nack and Bracchino have just graduated to the...
ZSL are working for a world #WithWildlife.
Find out about the science behind the reintroduction of New Zealand's rare...
Experience a seal survey in this 360 video.
Did you know there were seals in the Thames?
Close contact between badgers and cattle may not be responsible for the...
Sir David Attenborough joined staff at ZSL London Zoo to mark the official...
Find out how scientists are battling to save the mountain chicken from...
Discover more about the world's largest lizard and the clever method it uses...
Keepers have released this amazing footage of the tiger twins
The western lowland gorillas at ZSL London Zoo got special watermelon treats...
ZSL London Zoo’s adorable Sumatran tiger cubs have been captured on camera...
The amazing moment two Sumatran tiger cubs open their eyes for the first...
Zookeepers have released incredible footage of the birth of two critically...
ZSL Whipsnade Zoo are celebrating the birth of a rather regal Asian elephant...
Find out about the Chagos Archipelago, one of the world's last pristine...
Will you take the #OneLess pledge?
Find out about ZSL scientists who act as the CSI of the sea.
Ravens at the Tower of London get a health check.
Our adorable two-toed sloth Edward celebrated his first birthday on May 31st...
Watch our African hunting dogs' enjoying their zip-line enrichment.
Five baby ring-tailed lemurs have been born in our 'In With The Lemurs'...
Find out how Sir David Attenborough has inspired ZSL staff to work for...
Even elephants have to visit the dentist sometimes!
ZSL scientists use camera-traps as animal 'speed cameras'.
An amazing 550 runners took on the challenge of ZSL London Zoo's Stampede in...
Prof. David Field explains the role and responsibilities of a modern zoo and...
Take a 360 degree tour of part of ZSL London Zoo's new immersive exhibit...
Try out this interactive video to find out if you have what it takes to be a...
Take a 360 degree tour of the High Street in our brand new Land of the Lions...
This week's Curious Creature is the cheeky Hanuman langur. Find out more...
Find out about ZSL London Zoo's all-action new arrival, Xena the serval.
Find out how life around India's Gir forest inspired the design of Land of...
Find out how ZSL and its partners are working to protect the majestic...
Land of the Lions has been given a royal opening by HM The Queen and HRH The...
How difficult is it to track the world's smallest and slowest sloth?...
An adorable baby tamandua has been born in Rainforest Life at ZSL London Zoo...
Experience feeding time with the meerkats in 360 degrees!
This week's Curious Creature is the fabulously fuzzy gentle lemur!
Find out why Killer whales are facing the threat of extinction in European...
Keepers undertake annual stocktake at ZSL London Zoo.
Highlights of how ZSL has been working for wildlife in 2015.
Our countdown of the top five zoo babies of 2015, as voted for by you!
Our top five zoo babies of 2015, as voted for by you!
ZSL London Zoo has seen the arrival of 11 African hunting dog puppies, for...
Christmas came early for the animals of ZSL Whipsnade Zoo when keepers...
Newborn baby gorilla Gernot meets his big sister Alika for the first time....
Find out about how ZSL are working to protect the Critically Endangered...
This week's Curious Creature is the fascinating Golden Orb-Weaving Spider....
Find out about the most mysterious creature at ZSL London Zoo!
Adorable baby two-toed sloth Edward has been growing up fast and is really...
Our playful ring-tailed lemurs have been getting in the Halloween spirit...
Watch as Kumbuka, Effie, Majukuu and even baby Alika get to grips with their...
Zoo keepers at ZSL Whipsnade Zoo have been using a GoPro to record how the...
Bali the greater one-horned rhino calf is winning hearts at ZSL Whipsnade...
Baby Asian elephant Sam celebrated his first birthday in style with a giant...
This week's Curious Creature is the bizarre-looking Surinam Toad.
Baby pygmy hippo Ziama has been out exploring his outside paddock and...
Say hello to Ganas, the new Komodo dragon at ZSL London Zoo
This adorable baby sloth is being hand-reared at ZSL London Zoo and he might...
Two very cute little Humboldt penguin chicks are being hand-reared at ZSL...
Find out about the incredible life cycle of the Critically Endangered...
Say hello to little Oscar, our Californian sea lion pup!
Join Ben Fogle and become part of our Champion community and you too can...
At ZSL our vision is a world where animals are valued, and their...
Find out how spiders are actually more likely to save your life than do you...
Get up close to some of natures most beautiful creatures!
Get closer to one of nature's most fascinating creatures!
ZSL are working to secure the future of the critically endangered Asiatic...
Four baby ring-tailed lemurs have been born at ZSL Whipsnade Zoo and they...
Watch these two baby camels become the best of friends!
Go behind the scenes and find out how our Horticulture team brought this...
Check out ZSl Whipsnade Zoo's brand new Visitor Centre!
Our penguins are helping scientists find out how their famous waddle evolved...
This film documents the awareness-raising campaign 'Go For Salamander' based...
Learn about the jewel wasp - the insect body-snatcher!
Find out all about the amazing and critically endangered pangolin.
Find out how our adorable little baby western lowland gorilla Alika is...
We all know dogs love to go on walks, but did you know ZSL London Zoo has a...
Seven rockhopper penguins have arrived at ZSL Whipsnade Zoo.
ZSL London Zoo’s trio of tiger cubs celebrated their first birthday!
Learn how to make your animal photography really stand out!
An adorable male pygmy hippo calf has been born at ZSL Whipsnade Zoo.
The animals at ZSL London Zoo lined up two by two to be counted by their...
Top 10 video clips featured on the ZSL YouTube channel in 2014!
Learn about how ZSL are helping to breed Mountain chicken frogs on their...
This week's Curious Creature is the amazingly weird Chinese Giant Salamander...
Find out about how ZSL are working to save the Chinese giant salamander.
ZSL Whipsnade Zoo's animals have been getting into the festive spirit with...
Here is the first footage of the adorable baby gorilla born at ZSL London...
This weeks Curious Creature is the magnificent caiman lizard.
Watch the heart-warming story of little Larry the Thompson's gazelle calf....
This week's Curious Creature is the rather odd looking grey slender loris....
Find out how ZSL and the IUCN Red List work together to conserve some of the...
Gets some Movember inspiration from the animal kingdom.
Our three Sumatran tiger cubs, Budi, Cinta and Nakal, celebrated their first...
This week's Curious Creature is the ancient and mysterious beaded lizard....
Richard Burr, finalist in this year's Great British Bake Off, bakes a 40th...
This week's Curious Creature is the adorable looking longhorn cowfish.
Is Forest the kinkajou our cutest animal ever?
Learn about how we train our amazing Komodo dragons.
Find out about the ancient and mysterious Axolotl and its amazing powers of...
Global wildlife populations have halved in just 40 years according to WWF...
Watch our baby elephant getting to know his family only a few hours after...
Find out what happened when Critically Endangered mountain chicken frogs...
Watch this giraffe calf exploring outside for the first time.
Conservationists from ZSL have been surveying the increasing number of seals...
The keepers at ZSL Whipsnade Zoo had their work cut out for them as they...
Find out why ZSL London Zoo is the ultimate family day out!
Find out how our baby llama has been getting on.
The animals at ZSL London Zoo weigh in.
This week we catch up with adorable baby elephant Max to find out how he is...
Go behind the scenes of ITV's 'The Zoo' to see what happened to the adorable...
Watch the trailer for the brand new series of ITV's The Zoo.
What's cuter than a baby sloth rolling around in vegetables?
Find out how our tiger cubs are getting on in Tiger Territory.
The enigmatic pangolin, or scaly anteater, is literally being eaten out of...
An adorable little new arrival has been brining smiles to visitors at ZSL...
The gorillas at ZSL London Zoo cool down in the heat by eating ice lollies...
Fearless fundraisers are being invited to unleash their inner animal and...
A super cute new tamandua, or tree anteater, has arrived at ZSL London Zoo's...
Holly the baby hippo took advantage of the great summer weather to take her...
Find out the names of our tiger cubs!
ZSL London Zoo has welcomed its first ever baby sloth, after a very surprise...
Lucifer, our male Asian lion, has had a health check-up ahead of his big...
Lions400 is the Zoological Society of London's campaign to secure the future...
There has been a baby boom on Lemur Island at ZSL Whipsnade Zoo with six...
Watch our new baby llamas take their first wobbly steps!
Find out what happens at feeding time for our very demanding yet totally...
The tiger cubs get their first health check up and we find out their sexes...
Get a kids-eye view of our new Hullabazoo Farm.
Puddle the penguin chick has swimming lessons.
Pygmy hippos Thug and Nicky explore their new home.
Our three Sumatran tiger cubs tentatively explored Tiger Territory for their...
We've been rumbled! Watch this inquisitive little tiger cub investigate our...
Our Sumatran tiger cubs open their eyes for the first time.
Find out more about the brand new Meet the Animals experiences launched at...
Catch up with how the new cubs are getting on!
They may be small in size but they have massive personalities!
Sumatran tiger Melati has given birth to three healthy and very playful cubs...
Our expert keeper Phil Curzon answers your questions about cheetahs.
Find out how we've trained our otters to get weighed.
Watch our amazing caiman lizard hunting for food.
Adorable penguin chick is already proving to be a bit of a demanding diva....
ZSL Whipsnade Zoo's chimpanzee's get in the Valentines Day spirit.
HRH The Duke of Cambridge joined the United for Wildlife organisations at a...
Learn how we keep our sloths happy here at ZSL London Zoo.
Our new baby hippo makes a big splash!
Learn the fascinating story about the bear who inspired Winnie-the-Pooh.
Our adorable baby macaque Dobby gets ready to celebrate his first Christmas...
ZSL London Zoo's meerkats get to grips with politics, as they stamp their...
TRH The Duke of Cambridge and The Prince of Wales meet conservation leaders...
72 brave fire walkers took on the hot coals in front of 172 spectators at...
Find out more about what it's like to be a volunteer at ZSL.
ZSL London Zoo celebrates first ever birth of spiny-headed tree lizards.
Find out how we measure and weigh the biggest, and smallest, animals in the...
Zoo keepers have gathered their scales and tape measures as they being the...
Here are some of the key highlights of ZSL's work during 2012.
Lemurs celebrate the launch of Hullabazoo Adventure Play with their own mini...
Watch HRH The Duke of Edinburgh officially open Tiger Territory.
Come within a whisker of nature's most breathtaking predator.
Fearless fundraisers take on the fire walk.
Did you know there are seals in the Thames?
ZSL have teamed up with the ...
First ever footage of a little known species of seahorse.
Two ZSL EDGE scientists set out on a population survey of critically...
Find out how ZSL are working to save wild Sumatran tigers.
This film, shot in Sapo National Park, 2011, is the first to capture a wild...
Find out all about Project Ocean.
Did you know tigers are naturally very good swimmers?
Find out how we are training our camels to use the scales.
Can penguins predict the start of summer?
Find out what it's like to be a veterinary nurse in one of the most famous...
Find out about the enrichment activities we use to keep our tigers...
Behind the scenes with Lead Explainer - Ruth Thomas.
Bob the burrowing owl gets in training for the 100 centimetre sprint at ZSL...
Find out about some of the weird and wonderful creatures that come out after...
Find out how much your loveable moggy is like a powerful tiger.
Try out your minibeast knowledge with our interactive video quiz!
Get some parenting tips from your favourite animal parents.
Expert keeper Teague answers your questions about Kumbuka and the other...
Our expert keeper Hayley Jakeman answers your questions about red pandas....
Our expert keeper Teague Stubbington answers your questions about tigers....
Our expert penguin keeper Zuzana answers your questions on penguins.
Get to know some of our most fascinating and unusual frogs.
Find out about some of the Reptile House's most interesting snakes.
Here is a 'Fat and Fur' fact file to help you get to know our cold weather...
Get some dating tips from our seahorses
Baby elephant Max stole all the attention at ZSL Whipsnade Zoo's annual...
The animals at ZSL London Zoo line up to be counted in the annual stock take...
Don't you just hate it when a monkey steals all the Christmas tree treats?...
Kumbuka celebrates his 16th birthday with a party in Gorilla Kingdom.
Watch animals take on pumpkins at ZSL London Zoo.
The animals at ZSL Whipsnade Zoo get stuck into their Halloween treats.
The squirrel monkeys check themselves out in their new mirror.
The cheetah cubs make a right mess at their first birthday party
Thug the pygmy hippo celebrates his 17th birthday.
Meet the new King of Gorilla Kingdom.
Check out how acrobatic these new lemurs are.
Meet our new Galapagos tortoises Polly and Prescilla.
Say hello to Willow, our beautiful baby giraffe.
Meet Max, the 22 stone baby elephant calf!
Baby Okapi calf Daphne gives her mum the run around.
Cute baby Tapir Adi heads outside for the first time!
Meet our adorable new baby penguins Bamm-Bamm and Pebbles.
Two adorable baby meerkats have joined the gang at ZSL London Zoo and are...
Mothers and their new borns get ready to celebrate their first Mother's Day...
Say hello to our cute baby Cotton-top Tamarin twins as these little monkeys...
Amazing footage of lion cubs Heidi and Indie being born at ZSL London Zoo....
Christmas arrived early for the cheeky chimpanzees at ZSL Whipsnade Zoo.
See our otters enjoy their feed in the summer sunshine!
Rhino house goes green at ZSL Whipsnade Zoo
ZSL is able to monitor the tiger population in specific areas through the...
ZSL tiger biologist, Citra, and her team are on a routine patrol in Berbak...
Welcome to the ZSL Video channel!
Raja the Komodo Dragon gets a 'wash n go' followed by a New Year's snack of...
An animal adoption makes a unique gift and helps our...
#OneLess - the campaign to make London free of single-...
Donate now to help us transform Snowdon Aviary at ZSL...
Apply to be a ZSL Fellow today from only £41.50 and join...
Enjoy unlimited visits to ZSL London and Whipsnade Zoos...
