Mammals
Fascinating facts about our warm blooded friends - the mammals.
Reindeer vs deer: what's the difference between a reindeer and a deer? Other than one can fly obviously...
What are reindeer? How do they differ to deer? Lauren Cosson from the Essex Wildlife Trust explains.
Watch adorable footage of an abandoned baby moon bear trying to climb tree in Hugh Bonneville-narrated TV series
In the new Apple TV series Born to Be Wild, we follow six endangered baby animals – including Sagalee, a moon bear cub
Subarctic researchers document “rare” and mysterious behaviour for the first time – and it’s crucial to this predator’s survival
A subartic encounter has left researchers filled with hope
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It was home to 400 million chattering residents and almost the size of Ireland – and was deep underground
In 1901, an ecologist discovered an enormous animal 'town' in West Texas
5 animals that can turn themselves inside out - from reversible anuses to exploding intestines
When it comes to these animals, the natural world proves that internal body parts shouldn't always stay that way...
"They can eat almost anything." Pumas caught hunting surprising prey on coast of Patagonia
The novel hunting behaviour was observed on the windswept shores of Monte León National Park in south-east Argentina.
These 9 incredible, brutal jaguar photos reveal the lethal power and fierce cunning of these top predators
These awesome images demonstrate the speed, power and skill of these deadly predators
It's the largest, most powerful and deadliest bear on the planet – AND views us as prey, able to make short work of our puny bodies...
As the world's largest bear, and largest land carnivore, polar bears are impressive mammals. They are adapted to living in the harsh Arctic environment, and threatened by climate change.
Female bonobos have “confusing” mating signals – but males have cracked their code, thanks to inflatable genitals
Scientists have discovered that male bonobos are able to track females’ unpredictable reproductive cycles
Camera footage shows wolf doing something astonishing that's never been seen before - staggering scientists
Remarkable new footage shows a wild gray wolf using a human crab trap with startling precision, challenging what we thought we knew about wolf intelligence.
Crocodile attacks lion cub on Zambian river. Here's how its pride reacts...
In BBC TV series Kingdom, a lion pride must cross croc-infested waters. Will they make it?
It’s not just glow worms or fireflies that glow in the dark… this is the first ever image of a wild marsupial lighting up under UV
Biofluorescence is most common in marsupials such as platypuses and quolls
11 ferocious big cat photos that reveal the savage strength of these ruthless, brutal apex predators
These incredible images are raw and powerful.
"Their eerie howling from a wintery mountainside will still bring a shiver to the spine" – 10 biggest wild dogs on the planet
Discover the biggest and most ferocious members of the dog family
Wait there's wild hamsters? Oh yes – and they're fuzzy, feisty, and just as cute and podgy as your childhood pet, just 4 times the size
Europe's wild hamsters are feisty giants with a predatory streak, but under threat, says Mark Stratton
A mother's love: 13 beautifully intimate photos that capture the loveable and unbreakable bond between a leopard mother and her adorable cubs
Leopard mothers with young cubs are notoriously elusive, but one female in a quiet corner of Botswana has allowed wildlife photographer Suzi Eszterhas a privileged view into family life. Leopards, it seems, can change their spots.
Puma DNA found deep in Guatemalan rainforest. Analysis reveals the cats are eating something unexpected
Researchers also gathered DNA from jaguars, ocelots and margays, discovering the measures these wild cats go to in order to live side by side.
Tiger experts hide camera traps in Sumatran jungle. What they capture is “critically important”
The study took place in the Leuser Ecosystem, a vast jungle area near the northern tip of the Indonesian island.
From wild herds to festive favourites: All you need to know about reindeer and how they became a key part of Christmas
Reindeer may now be famed for their Christmas associations, but their history with humans goes back thousands of years
Do chimps and gorillas ever fight with each other?
Crocodile snatches wild dog from riverbank in Zambia. Then its pack turns up to try and save it
In footage captured for BBC's Kingdom, a wild dog is caught in the jaws of a crocodile – can his pack members save him?
Researchers played elephant seals the calls of their nemeses. This is what happened next
Male elephant seals might remember the calls of their adversaries from previous breeding seasons, a new study suggests.
Satellites spot gathering of gigantic tusked animals on remote Arctic island. It has never been seen before
The crowd of animals was discovered as part of the Walrus from Space project, which is using satellite imagery to explore what might happen to these huge marine mammals as the climate changes.
This Italian mountain range is home to the world’s only population of these adorable brown bears
An innovative scheme in rugged Italian mountains aims to protect a tiny population of rarely seen brown bears