Mammals
Fascinating facts about our warm blooded friends - the mammals.
It moves like a cat, climbs like a primate and spends much of its time high up in trees — meet the world's weirdest dog
The bizarre fox that's loaded with quite un-fox-like adaptations for life high in the canopy.
What’s the world’s largest cat? The answer may not surprise you but which species is it?
Th largest cat in the world weighs an impressive 300kg
It may look adorable – with its fluffy coat, tail and feet – but don't be fooled as this ferocious predator can leap 15 meters and take down prey 3 times its size
Learn about one of the world's most elusive cats in our guide to the snow leopard, including where they live, diet and conservation.
Watch agonising BBC footage of an adorable baby ibex running for its life up perilous cliffs, with hungry foxes in pursuit
Ibex go to extraordinary lengths to escape red foxes
Is this the world's weirdest ocean animal? Known as unicorns of the sea they're the size of shipping containers and have a tooth two-thirds the size of their body
Discover how narwhals got their name, what is unique about their tusks, where they live and more in our expert guide
At a staggering 33 metres long (that's 33 football goals) it's not only the biggest animal in the world today, it is the biggest animal to have ever lived...
Our guide to the world's largest ever creature, the blue whale
Existence of 'Asian unicorn' can neither be proven nor disproven, say scientists. Here's what we know
The almost mythical, horned saola was last seen in the remote highland forests of Vietnam and Laos in 2023. Scientists are trying to find out if it still exists...
Giant river otters return to Argentina after 40-year absence
Previously extinct in Argentina, a family of four giant river otters has been released in Iberá as part of efforts to return the animals to the wild.
Could rabies have entered Britain? Rabies-causing virus found in Isle of Wight animal
Isle of Wight bat displayed worrying symptoms
Researchers spent 455 days and nights watching orangutans sleep – what they observed was very human
The study revealed that, much like us, wild orangutans use power naps to recover from poor sleep.
Can wolves and foxes interbreed?
Although both are members of the 'dog family' it is unlikely foxes and wolves would ever interbreed. We investigate why...
There's a peculiar creature in New Guinea that creeps through the treetops at night like a furry ghost
This elusive nocturnal marsupial lives high in the forest canopy, where it feeds, sleeps and hides from view.
260 hours staring at giant anteaters in Brazil's savanna - here's what researchers discovered
The scientists were particularly interested in the mammals' remarkable tails.
Big cat vs small cat: what's the difference between these furry felines?
What's the difference between a big cat and a small cat? We look at what truly separates big cats from their smaller cousins
"Fantastic news": giraffes are making a comeback – new report reveals which species are on the rise
Today is World Giraffe Day – and what better way to celebrate it than with an uplifting news story: three out of the four giraffe species appear to be increasing in number across Africa, according to a new report.
10 amazing Antarctic animals – including one with antifreeze blood and another with razor-sharp teeth to bite air holes in the ice
Discover the most remarkable, captivating wildlife that thrives in one of the least hospitable places on Earth – Antarctica
See the first-ever photo of Africa's 'forgotten' animal
The image was captured during a recent survey in the Upemba National Park in the Democratic Republic of Congo.
Community-led conservation offers new hope for the world's most trafficked mammal
A new action plan unites experts and communities to protect pangolins in southern Africa.
Gob-smacking BBC footage shows young wildebeest faced with a lethal almost suicidal cliff-face drop – does he jump?
Before they even reach the treacherous currents of the river, these wildebeest must leap from the sheer side of a cliff
Just how and why did the elephant get its remarkable trunk?
What is an elephant's trunk used for and how many muscles are in it?
Scientists took DNA from 280 cats and discovered something curious about their purring
A new study links cats’ purring and vocal behaviour to variations in the androgen receptor gene – with implications for cat welfare
Coastal wolf found dead in lair on Alaskan island – dissection reveals curious thing that caused it
Scientists investigating the coastal wolf's death tested tissue samples for viruses, disease, algal toxins and contaminants. Here's what they found...
Deadly prehistoric cats: 10 ruthless hunters that roamed the planet thousands of years ago – including one that was the size of a polar bear
From tigers to tabbies, today’s cats come in many different shapes, sizes, and temperaments.
Their ancestors were just as diverse, if not more so, says Will Newton. Here are our top 10 prehistoric cats…
It's harpoon-proof, 'sings' jazz music, and lives up to 200 years – meet the bowhead whale, a record-breaking giant of the animal world
The animal can also smash through solid ice and has no teeth – and has left scientists baffled over the years