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"With their killer instinct and feline prowess, big cats are some of the world's most impressive animals." Get to know these magnificent hunters
Learn about species found in the big cat family, including tiger, lion, jaguar and more in our expert guide.
The vampire that drinks human blood and has a liking for smelly socks
Too small to bite a human, this arachnid manages to get a taste of the red stuff elsewhere. Nick Baker introduces us to the vampire spider
"It has a sharp beak designed for slicing and hunts in packs that can number thousands. Some even say that if you fell overboard it would tear you to pieces"
These demonic deep-sea creatures hunt in packs of thousands and are equipped with the perfect weapon to severe their prey’s spinal cord.
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The 3-metre shark that erupts from the ocean, spinning furiously like a tornado...
These fish-eating predators catch as many prey as possible by spinning while swimming in a burst of speed, sometimes even clearing the water’s surface
A thousand toads mysteriously exploded in 2005 – and the explanation was way stranger than anyone expected
Mega volcanoes, asteroid impacts and 'the great dying' – 5 deadly mass extinctions that changed life on Earth forever
What is a mass extinction – and how many of them have there been? Will Newton takes a look the 'big five' extinction events
This tropical creature lives almost 3 times longer than expected and appears to barely age. Here’s why scientists are so excited
Insects don’t tend to live very long lives, but one tropical butterfly has found a way to stay young.
"Its toxins affect the nerves and heart and it has enough poison to kill 10 grown men"
All you ever needed to know about poison dart frogs, from why they're poisonous to where they live and what they eat
They're one of the weirdest type of animals on the planet, famous for their pouches, but what on Earth are marsupials and why do they have pouches?
Learn all about marsupials in our expert guide, including why they have pouches
Wolves, dragons and devil whales: The strange animal world of Anglo-Saxon England
We examine the clues in Anglo-Saxon literature and language to determine how they regarded different animals.
Could a human outrun a hippo? And what about in water - can a human outswim a hippo?
"They rip into the throats or bellies of their prey and hold the carcass down while stripping off chunks of flesh" 10 deadliest claws on the planet
Have you ever wondered which animal has the deadliest claws? Well, wonder no more...
Mountain lions moved into a tiny Californian preserve. What happened next astounded scientists
A powerful trophic cascade occurred when mountain lions began frequenting a small preserve south of San Francisco
It might be pretty and used in jewellery, but it contains one of nature's deadliest toxins that causes vomiting, convulsions, liver failure and death
BBC Winterwatch will not be returning to our screens in 2027
The BBC has announced the cancellation among other cuts across news, nations, TV and radio content.
When marine scientists found a plastic bottle floating in the ocean, they were shocked to see this large animal living inside, unable to escape
Marine scientists were shocked to find a large live crab stuck inside a small plastic bottle. This is how it got there
7 animals that could kill the deadliest predator that ever lived - the infamous T.rex
T.rex was perhaps the deadliest dinosaur that ever lived. However, that doesn’t mean it didn’t face threats from other animals…
"Swollen lesions appear around the mouth, nose, eyes, ears and genitalia with death normally occurring within 10-15 days"
Squirrel pox is a deadly disease for red squirrels. The Red Squirrel Survival Trust explain what you need to know
"A bubble appears at the top of the head, over the snout. It expands, stretches, connects with the rest of the air pocket surrounding its body"
Discover the riparian reptile that evades danger by blowing bubbles.
"These lethal 20cm thorns cause severe puncture wounds & painful infections." The tree that's still armed against monsters last seen 12,000 years ago
The honey locust gets its name from the sweet pulp within its fruit – but apart from that, there’s nothing sweet about this thorny tree.
It contains a glacier that's 3 times taller than the White House – and is home to prowling pumas and giant birds
In Argentina’s Los Glaciares National Park, soaring granite spires rise above vast glaciers and shimmering lakes in one of South America’s most striking landscapes
Which big cat has the strongest bite AND just how deadly is that bite for humans?
BBC Wildlife section editor Sarah McPherson answers your wild question.
The deadliest animal you could encounter in a national park probably isn’t a bone-crushing, 300kg apex predator – it’s something much more surprising
Researchers analysed the most common animals involved in aggressive human-wildlife encounters – and discovered something unexpected
Satellite images reveal more than 1,000 unmapped coral reefs in Australia
The discovery of thousands of previously unchartered coral reefs could reinforce conservation efforts in northern Australian waters, say researchers.
