Mammals
Fascinating facts about our warm blooded friends - the mammals.
Could a hyena take on a lion? Nail-biting video shows close and fiercely-fought battle between these carnivorous predators
Hyenas are known for their scavenging nature – but could they take on and kill a lion if desperate? Evidence shows it's a fiercely-fought battle.
Do chimpanzees hold funerals? How chimps mourn their matriarch could provide lessons for human mental health
In a remarkable display of quiet contemplation, chimpanzees challenged our understanding of grief in the animal kingdom and prompted a re-evaluation of the importance of mourning in human societies
Watch amazing video of a cute leopard cub sussing out a porcupine and testing the sharpness of its quills... Is it worth attacking?
They can't vomit, one is poisonous and another is as heavy as a newborn baby - 11 amazing rat facts you (probably) don't know
Despite their slightly bad press, rats are intelligent and fascinating creatures. From their super-sensitive whiskers to their surprising ability to laugh, there's plenty to admire about these impressive animals
It vomits up blood and urinates while feeding so it doesn’t explode – meet this bloodthirsty beast
Lucy Cooke explains how this bloodthirsty bum-biter has a surprisingly strong sisterhood – and why it's essential to their survival.
One of the world's fiercest warriors, this is a formidable predator with powerful jaws capable of crushing bone
All you need to know about one of the world's most aggressive animals - the wolverine
Why do cats purr? The fascinating reasons behind the feline purr
Rae Foreman-Worsley from Cats Protection discusses the mystery behind a cat’s purr
On the brink of extinction: The 11 rarest cats in the world, from the beautiful Arabian leopard to the weird flat-headed cat
There are more wild cats out there than just lions and tigers. Get to know some of the world's most elusive and rarest felines.
Mysterious tusked animal caught on trail cam in Vietnam forest after decades-long search
The rare creature was seen wandering through Cao Bang province in the north-east of the country.
The world's smallest leopard is also one of the Earth's rarest cats: Discover the secrets of the beautiful Arabian leopard that's on the edge of extinction
All you need to know about one of the world's rarest cats, the Arabian leopard
Massive eyes, exceedingly long intestines and a flying cloak – meet the almost unfathomable colugo
This strange creature from the rainforests of Southeast Asia has webbed fingers, extra-sharp claws and can glide up to 150m from tree to tree.
Crucial and heartwarming: see world’s first-ever wild jaguar translocation in Argentina
The ground-breaking release is part of a wider effort to restore wildlife across Argentina’s threatened Gran Chaco region.
Incredible grace and power of leaping Arctic fox hunting for prey revealed in beautiful slow-motion video
Watch an Arctic fox go to drastic lengths to catch its prey in the wild in this stunning video
We already knew chimpanzees were smart – but new research shows their engineering prowess exceeds all imagination
New research shows that chimpanzees are engineers, with an innate comprehension of material properties that help them choose the best tools for the job
A freakish mole with a star-shaped nose, the world's most poisonous rat and a rainbow-coloured squirrel –meet the weirdest rodents in the world
Not all rodents are rats eating out of rubbish bins – these fascinating creatures from around the world show there's a lot more to rodents than meets the eye, from rainbow squirrels to prairie dogs
Ghost dog of the Amazon - the mysterious canine so rare it’s almost never seen
For a long time, the short-eared dog was almost a complete enigma to scientists – until a puppy was discovered at a market...
From rats nearly 1 metre long to ones poisonous enough to kill an elephant, here are the 6 weirdest rats in the world
We see rats in city and country – but elsewhere in the world the rats defy all expectations. Here are some of the biggest, most poisonous, and most surprising species!
Why do cats have slit-shaped pupils and how high can the best feline high-jumper leap? Here are 19 wild cat facts that will boggle your mind
From cheetahs that can hit 94kmph to snow leopards that wrap their tails like scarves, the world of wild cats is full of unexpected quirks. Here are 10 facts about wild cats you (probably) won't know
It looks half-zebra, half-giraffe and has a tongue nearly 50cm long. All you need to know about one of the world's weirdest animals
Learn more about these elusive African mammals, which are actually related to giraffes.
Tiny killers, expert swimmers and the grumpiest cats: These are the weirdest wild cats in the world
From tiny but deadly hunters to grumpy-looking felines, the world is home to some truly bizarre wild cats
Could the extinct – and very cute – desert rat-kangaroo still be alive? Scientists think there's a chance...
Skull analysis provides new hope that extinct rat-kangaroos may be rediscovered
Here's what humpbacks taught us about treating human heart conditions
From the depths of the ocean to the forefront of cardiac research, humpback whales are teaching us invaluable lessons about heart function.
The naked mole rat's superpower: Here's what it reveals about living longer
Discover how the naked mole rat defies aging and disease
Black leopards are quietly thriving in the British countryside – here’s the whole incredible story
Rick Minter, podcast host and author of Big Cats: Facing Britain's Wild Predators, says that sightings and DNA tests suggest that large cats such as black leopards are quietly naturalising in Britain.