10 biggest replies on the planet, from giant turtles the size of cars to snakes as long as double decker buses
Explore fascinating facts about the jaw-dropping sizes of these reptilian giants
"They are designed for ripping apart blubbery seals, so they will make short work of our puny bodies:" The 10 deadliest bears on the planet
It's always good to give bears a wide berth...
Do hibernating animals go to the loo?
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...
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?
Birds
Purple is nature's rarest colour but purple animals do exist: Meet 9 beautiful, incredible purple animals that look like they've been painted
Would a flamingo turn blue if it ate blue food?
Could we ever see blue flamingos?
36 extraordinary, astonishing bird facts, including a bird that has killed humans, a bird that likes to get drunk and one that can fly backwards
Impress your friends and family with your newfound bird knowledge.
This bizarre Galápagos bird hunts giant deep-sea squid at night. How it does it is astonishing
Far away in the Galápagos Islands, a peculiar nocturnal seabird is finally starting to give up its secrets
8 craziest, weirdest bird beaks on the planet: Meet the most bizarre beaks in the world – where evolution let its imagination soar
Uncover the secrets behind their extraordinary beaks and what they reveal about their lifestyles.
“They need to find a way of managing land without killing birds of prey” – inside the controversial world of grouse shooting
We go inside the debate on grouse shooting and the perceived benefits of burning heather
How to identify wildlife
Red squirrel vs grey squirrel: Think you know how they differ? Think again as the differences between these two squirrels will surprise you
We take a look at how the red squirrel differs to its American grey cousin
Brown rat or water vole: How to tell the difference between these two lookalike-rodents
When all you've seen is a flash of brown fur, it can be hard to know whether it was a water vole or rat. Though the two species tend to live in different habitats, there are areas where they overlap, potentially leading to cases of mistaken identity. So how do you tell rats and water voles apart?
Mink or otter? What's the difference between these two slippery, semiaquatic lookalikes?
How do you tell the difference between otters and mink?
LRPs, PG Tips and Jizz: Cracking the secret language of birders
You’re sitting in a hide and overhear other birders talking. The conversation ranges from ‘LRPs’ and ‘roosting Leos’ and you scratch your chin as you try to decipher their code – welcome to the world of birding jargon.
It's the fastest animal in the world and its deadly claws can catch prey mid-air: Meet one of the world's most incredible birds of prey
Peregrines are the ultimate urban predator. Learn all about them, including how to spot them ‘stooping’ to catch prey
Save 30% when you subscribe to BBC Wildlife Magazine, plus receive Simon Barnes’ latest release, Spring is the Only Season
Save 30% when you subscribe to BBC Wildlife Magazine, plus receive Simon Barnes’ latest release, Spring is the Only Season
Plants
Is this very ordinary plant a secret, yet deadly, meat eater?
The thistle that has a taste for meat
It has bizarre tentacles, oozes yucky black goo and stinks of death – and could be near you right now
The octopus stinkhorn, also known as devil's fingers, is a type of fungus that grows from egg-like spores
A team of scientists spent 4 years studying savannah grasses that had been set on fire – and discovered something astonishing
Researchers from the University of Fort Hare wanted to discover the long-term effects frequent wildfires have on burnt grasses
This is the rarest colour in nature – an expert explains why
The natural world is full of colour – but some are more common than others. So what's the rarest hue?