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Camera strapped to jaws of Nile crocodile – here's what it filmed
Despite their fearsome reputation, this amazing footage from inside a crocodile's mouth shows how gentle the large reptiles can be.
What's the smallest snake in the world? Clue - it's as thin as a strand of spaghetti
Stuart Blackman goes in search of the smallest snake in the world.
It's a psychedelic fuzz of fur and spine – and a master of photonic communications like something from a sci fi movie
Nick Baker takes a look at one of the sea's strangest creatures, the sea mouse
"Raw and brutal": whale watchers look on astonished as orcas kill humpback whale in South Africa
Wildlife watchers saw the circle of life at its most brutal during South Africa’s sardine run when a pod of orcas killed a young humpback whale and ate its tongue.
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
"Feels like magic": the mind-bending videos helping scientists understand why corals bleach
The development of a new microscope is allowing experts to see what’s going on inside corals like never before – and it might help them understand bleaching.
The 7 weirdest, creepiest – and downright most devious - parasites in the world that will make your skin crawl (warning: not for the squeamish)
You might well not want to think too much about some of these...
Struggling in the heat? Meet the animals that can survive the hottest temperatures on Earth – even a sweltering 149 degrees celsius
Lots of animals can handle extreme heats – although some can survive much hotter temperatures than others
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
It sounds like a chicken, tastes like a chicken and raises its young like a chicken – but it isn't one
Despite its name, the mountain chicken isn't actually a chicken...
Beaked whales are one of the strangest, rarest and deepest-diving marine mammals in the ocean - sometimes diving more than 2.5km down
19 breathtaking wildlife images from the International Aerial Photographer of the Year
Look at Earth from a new perspective with these stunning shots from the inaugural International Aerial Photographer of the Year competition.
10 desert plants that thrive in hostile and inhospitable conditions – often in extreme temperatures
Deserts are home to some of the most extraordinary plants on Earth. Here are our top 10 species, from Antarctica flowers to delicious date palms
It's as long as a football goal, has legs as thick as wrists and is able to rip monkeys from branches with deadly talons: Meet the world's most powerful bird
What are harpy eagles? Where do they live and just how big are they? Learn all about this iconic eagle in our expert guide
10 deadliest lakes in the world, from a highly-lethal exploding lake to one that turns animals to stone
You wouldn't want to take a dip in any of these lakes...
Any animals standing within 1,500km of the impact would have been instantly vaporised: 10 terrible times to be alive
Over the course of its 4.5-billion-year history, the Earth has witnessed its fair share of terrible times…
Strange bird from New Zealand set for rare breeding event as 'blood' tree fruits
2026 is a mast year for the rimu tree, meaning critically endangered Kākāpo are due to breed. Here's what conservationists – who say it could result in the largest haul of chicks in recent years – are doing to be ready in time.
It's bigger than a king-size bed and is as flat as pancake: Meet the deadly ambush predator lying in wait on the ocean floor
Our guide to the strange looking angelshark, once common in British waters.
Here's how deer meat could save Scotland's elusive capercaillie
In a new study, researchers say that 'diversionary feeding' reduces the chances of these iconic birds' eggs being eaten by predators.
Why do frogs scream?
Jules Howard discusses possible reasons frogs scream
“Everything is bigger in Texas”: fossil hunters unearth 'giant' animal in Big Bend National Park
Palaeontologists say the ancient remains belong to the largest Palaeocene marsupial ever found in North America.
Did you know amber is fossilized resin and millions of years old? It might look nice as jewellery but it also reveals secrets from ancient animals...
Amber is fossilised resin that can preserve the structures of small creatures, but, sadly, can’t bring back the dinosaurs.
The "absolutely adorable” reason this octopus is hiding behind a twig
The curious octopus – filmed in Florida – appears to be playing hide-and-seek with a diver.