Freya Parr

From colour-shifting squids to snow-white stoats, these are the awe-inspiring species that can change their appearance and colour

From bison-lined valleys to alpine passes above the clouds, these breathtaking routes through US national parks are a dream for wildlife lovers – and the drive is half the adventure

From defence to display, these inflatable animals have evolved extraordinary ways to puff up their bodies — often with dramatic results

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

From mouth-brooding fish to tadpoles bursting through their mother’s back, the animal kingdom has some bizarre birth stories

From the guttural scream of the howler monkey to the ever-growing rat-like teeth of the aye-aye, the primate world is full of weird and wonderful creatures

Nature's most savage showdowns, from vicious lions to sparring ants

From egg-laying echidnas to star-nosed moles, the animal kingdom is full of bizarre and fascinating mammals you may not believe exist

From explosive sea cucumbers to beetles that spray boiling toxic fluid from their bums, the world of wildlife is full of unexpected adaptations. These butts aren't just weird – they're life-saving

You’ve probably heard of a liger – a lion-tiger hybrid – but while they are bred in captivity, there are other animals that crossbreed in the wild, thanks to their overlapping habitats and closely related genetics

In the wild, survival often hinges on strength, strategy and sheer willpower. In this captivating BBC Earth footage, David Attenborough takes us into the heart of nature's fiercest battles

Striking images that show different species of octopus in new light, capturing their full, tentacled majesty

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

Nature has a wild imagination, and nowhere is that more obvious than in the world of flowers. From leaves shaped like lips to enormous flowers that smell of rotting flesh, these are some of the weirdest, most unusual flowers in the world

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

This tree-climbing giant is one of the largest land slugs on Earth – and its bizarre mating ritual is unlike anything else in the natural world

You might have an idea of what a fossil looks like – but these fossils are slightly different (and will change the way you think about ancient wildlife and civilisations!)

From firefighting in wildlife reserves to tracking poachers in remote jungles, these wildlife jobs are some of the most dangerous in the world – but also among the most vital

Reptiles don’t just pee – they crystallise their waste. Here’s what that actually means…

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

Zebras must face one of nature’s most dangerous challenges: crossing predator-filled rivers

These incredible image show the raw power and brutal determination of these killer predators

This extraordinary BBC Earth footage shows the immense size and lightning-fast reflexes of the Arctic's apex predator, the polar bear