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These 9 ruthless, brutal cheetah photos reveal the raw power, speed and lethal grace of Africa's fastest cat
A visual journey into the lives of Africa's fastest land predator, from playful cubs learning to hunt to high-speed brutal chases across the savannah
The 10 grumpiest animals on the planet, including the crotchety-looking Pallas’s cat and the unfortunate blobfish
Eastern screech owls, red-lipped batfish and thorny devils are some of the moodiest-looking animals on the planet. But are they really as crabby as they appear?
Do hens have teeth?
Stuart Blackman explains why just because hens don't have teeth at the moment it doesn't mean they won't ever have teeth...
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Despite weighing up to 4 tonnes, this mammal can dive to depths of 2000 metres, hold its breath for an incredible two hours and even control its heart rate
Can this zebra escape a deadly crocodile's jaws? Watch heart-wrenching, tense, BBC footage of a perilous battle at the river’s edge
Zebras must face one of nature’s most dangerous challenges: crossing predator-filled rivers
It might look like a dinosaur but this remarkable new discovery is actually a fearsome, deadly prehistoric crocodile that's even older than dinosaurs
Meet a prehistoric ancestor of today's crocodiles
These impressive mammals can sleep for up to half the year – but somehow don’t get weak or stiff. Here's why...
Just how do bears survive hibernating?
Scientists drop microphones to Arctic seabed, then 4m-long animals with huge tusks appear
We thought eavesdropping on animals didn't annoy them... until these strange-looking creatures started hitting underwater recording devices.
33-metre, 180-tonne monster tops 'biggest animals in the ocean' list – and makes the great white shark look tiny
From the gigantic blue whale to a coral colony so large it can be seen from space, here are some of the most enormous organisms living in the ocean
Drones spent 8 years flying over Massachusetts waters. What they found could help save one of Earth's biggest animals
The drones' mission was to collect the breath of critically endangered North Atlantic right whales in Cape Cod Bay.
Post-kill polar bear among 20 epic images from Nature Photographer of the Year 2025
We reveal the incredible winning and runner up images in this nature photography competition
Are humans the only primates that use breasts for show?
Are we the only species impressed by breasts?
Researchers tag 8 pilot whales in Hawai'i then follow them into the darkness. What they find is "unbelievable"
For the first time, scientists have quantified how many deep-sea squid short-finned pilot whales in Hawaiʻi need to eat to support their deep-diving lifestyle.
Purple is nature's rarest colour but purple animals do exist: Meet 9 beautiful, incredible purple animals that look like they've been painted
These 8 astonishing, brutal hyena photos reveal the raw chaos, power and intelligence of these top predators
These incredible image show the raw power and brutal determination of these killer predators
Soft tissue of 40,000-year-old Siberian mammoth offers astonishing glimpse into final moments of its life
For the first time ever, scientists have successfully extracted RNA from a woolly mammoth, with analysis supporting suggestions the Ice Age animal was attacked by cave lions shortly before his death.
Can a butterfly fight back before it’s even born? Can it really defend itself in the chrysalis?
Butterflies can defend themselves in their chrysalises, and not just by using camouflage or warning colours.
He chases her, impresses her with his dancing and then taps her body to assess her breeding condition. If she passes, he starts to serenade her...
Would this impress you?
Would chimpanzees make good politicians?
Would a flamingo turn blue if it ate blue food?
Could we ever see blue flamingos?
Are these the world's best, most outrageous, moustaches? 8 animals with a better facial fuzz than yours
Check out these brilliantly bristly animals that use their moustaches and beards for all manner of tasks, from foraging for food on dark ocean floors to spreading scent to attract mates
DNA reveals remarkable new tree toad species in Tanzanian mountains. They do something incredibly unique
Scientists investigating a single species of African toad found more than they
bargained for: three species, all of which give birth to live young.
Weird spider with no eyes found on remote Atlantic island. Arachnologists are baffled
By searching through museum specimens, scientists found two new, and rather peculiar, spiders species from St Helena: one eyeless and another with thick armour.
