Mammals
Fascinating facts about our warm blooded friends - the mammals.
10 deadliest cats in the world, including one that kills every 50 minutes: Meet the world's most efficient feline killing machines
Meet the planet’s fiercest and most ruthless felines
"Observations suggest that they can float to the surface for air and then sink down again – all without waking up…"
How exactly have these notoriously aggessive animals evolved to function under the water?
When a pride of lions went down to the waterhole, they bumped into a hippo. Here's what happened next
Young lions need lots of practice to hone their hunting skills. This safari group was in for a spectacular show watching their attempts.
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10 biggest wild dogs on the planet, including one beauty close to extinction – "Their eerie howling from a wintery mountainside brings a shiver to the spine…"
Discover the biggest and most ferocious members of the dog family
Record-breaking runs, swimming successes and theatrical tussles: These 13 beautiful photographs reveal the leopard’s astonishing athletic abilities
The enigmatic leopard is a master of stealth – but photographers are occasionally able to capture their striking beauty in the wild
It may look like a dog, but don’t be fooled – Africa’s most efficient killer, which can travel up to a staggering 72km/h, is neither a wolf nor a dog
The largest canid in Africa is also classified as Endangered. In our African wild dog guide, learn more about the species, including diet, habitat and why they're endangered.
Is there a lion in your living room? How your pet cat has more in common with their wild cousins than you might think
How wild is your cat? John Bradshaw reveals why our feline companions have not lost touch with their wild side
A hazelnut-flavoured contraceptive for grey squirrels? New science offers hope for UK’s dwindling reds
Scientists pin hopes on a new contraceptive and vaccine amid stark warnings that time is running out
At a staggering, gigantic 33 metres long it's not only the biggest animal in the world today, it is the largest animal to have ever lived...
Our guide to the world's largest ever creature, the blue whale
Pumas are saving human lives in Washington State. Camera-trap footage reveals how…
Pumas change the way deer behave around roadways, leading to fewer collisions with cars, new study finds.
It's the size of Ireland and home to a whopping 400 million individuals – making it one of the most densely populated places on Earth
In 1901, an ecologist discovered an enormous animal 'town' in West Texas
Elusive and rare mammal released into the Patagonian mountains
An endangered deer is at risk of a livestock-spread disease. Now a treatment centre has released its first patient back into the wild
You’ve never seen polar bears like this before: 14 captivating photos that reveal the deadly apex predator's softer side
Polar bears might rule the Arctic, but they also have a surprisingly tender side – captured here in 14 striking moments in the wild
Scientists tracked these elusive ‘ghost of the forest’ wild cats for over 15 years – here is what they found out
Roaming the rainforests of Sumatra and Borneo, this wild cat is extremely elusive – but scientists have finally managed a glimpse into its life.
"While snorkelling a scientist was dragged underwater and drowned by one of these huge predators…" 8 deadliest animals in the Antarctic Ocean
If you somehow find yourself in the Antarctic Ocean, these are the animals you don't want to cross.
“We both heard a faint knock. We looked at each other, opened the door and glanced down.”
The coati who came to tea – and now “waltzes in, eats a pear and falls asleep”
Jaguar experts camera-trapped the Amazon – and discovered a dark secret
Jaguar densities in Brazil's Mamirauá Reserve rank among the highest ever recorded for the species – but that doesn't mean the population is healthy, a new study suggests.
"The truck got stuck at 2am." Why 12 giraffes were just captured in Namibia and driven to Angola
Conservationists are celebrating the translocation of 12 Angolan giraffes to their historic home in Angola’s Bicuar National Park.
See two huge bull elephant seals engage in a bruising fight for dominance
Coming to blows is a last resort for male elephant seals competing for dominance.
“It’s cloned itself to reach a whopping size of 77 square miles.” 6 biggest organisms on the planet including the Humongous Fungus
Whether it’s fungi, plants or animals, here are the biggest organisms found on Earth
This is the largest migration on Earth (and it’s not what you think)
The largest migration actually occurs within our deep sea
It looks like a horse, but this is no ordinary horse… Przewalski’s horse is the world's only true wild horse with ancestors that roamed Europe over 20,000 years ago
On the vast grasslands of Hungary’s steppe, a stocky little horse, whose ancestor appears in cave paintings made 20,000 years ago, now runs wild.
Rare primate spotted in Vietnamese forest. It was carrying something special in its arms
A critically endangered Tonkin snub-nosed monkey and baby were photographed in a forest in northern Vietnam
When lions raided wild dog dens in Botswana, wildlife guides didn’t expect to see this
African wild dogs are an endangered species, so safari guides were saddened when they believed lions had killed an entire litter. But then this happened
