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"It's home to more than 2000 extremely venomous vipers." Snake Island, Anthrax Island and beyond: 9 deadly Islands you'd be a fool to visit…
When an island gets a dangerous-sounding nickname, such as Snake Island, Anthrax Island or Shark Island, you know it’s probably one to strike off the holiday list, says Helen Pilcher.
Crocodile vs alligator: what's the difference between these two fearsome apex predators?
What's the difference between a crocodile and an alligator? Stuart Blackman explains why gators are not crocs and crocs are not gators.
Funniest animal photos of 2026 announced (number 7 is utterly hilarious)
The shortlist for the 2026 Nikon Comedy Wildlife Awards has been announced – take a look at some of the hilarious and heartwarming images
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Yosemite toads are entering their winter burrows healthy – and emerging in spring with deadly infections
A fungus that infects and kills amphibians has been found to thrive inside the burrows of one of Yosemite's most threatened animals.
It has a bite force of 9,452N with jaws built for crushing and holding prey – and can swallow its prey whole
The American alligator plays many roles in wildlife
It floats, it's bigger than a dinner plate and it's made up of more than 100,000 individuals
If you saw this circular raft floating down a river you’d be forgiven for thinking it was a discarded deep-dish pizza…
“I had to walk slowly to minimise the flow of venom travelling through my body. It was one of the most frightening experiences of my life"
Wildlife photographer Louis Guillot talks spider bites, ant stings and flash-flood drama
"He is now in full battle dress – a livery to match his mood – and aggressively defends his little patch"
Did you know bullhead fish can sing? Yes really if love's around ... Nick Baker takes an in-depth look at this fascinating fish
"The newly born pups had just a few seconds to reach the surface and take their first breath, otherwise they would drown"
BBC computer-animated footage reveals one of the deadliest births in the ancient oceans of the Jurassic
Do hibernating animals need to go to the loo?
It looks like a pyramid, is 200 metres high and is buried deep in the Amazon where few people go
Hidden deep in the Peruvian Amazon, this mysterious 200m-high formation looks like a giant pyramid – but its secrets may go far beyond its unusual shape.
Do fish actually drink water?
Do fish drink? or do they absorb water? Stuart Blackman takes a look
"Its sinister, guttural croak reaches an impressive 140dB, far exceeding the 70dB achieved by even the most ear-splitting of human shouts."
How and why do howler monkeys scream so loud? Ben Garrod investigates
It's as tall as Brad Pitt, weighs 169kg, is up to 10 times stronger than a human and is the master of knuckle-walking
Our guide to one of our closest relatives – the gorilla, including the difference between the two species, why they're endangered and conservation work.
Is there really no such thing as fish?
It's a saying you might be familiar with, particularly if you listen to the popular podcast by the QI Elves, but how true is it? Is there really no such thing as a fish?
Do birds have knees?
Do birds have knees? Why do they look like they are on backwards? Ben Garrod explains
"It grunts and gulps like a hungry pig and has claimed a dozen lives"
Despite their risks, these natural marvels can be a boon for marine life as they stir up the nutrients so there is lots of food for animals
Can fish actually drown?
Can fish drown? What about other species that spend their lives underwater? We explain the science of breathing underwater and what can go wrong
"It seems to be a lively business…" Just how do sharks mate?
Just how do sharks mate? Stuart Blackman explains
Are any animals actually bulletproof?
There are some animals, says Ellen Husain, that seem to be able to deflect bullets...
Why do only small mammals hibernate? Why can't we?
Why don't larger animals hibernate? Steve Harris explains
Scuba diver films group of giant 'swimming heads' in Bali
Ocean sunfish, or mola mola, have no tail fin. Instead, they steer with a thick rudder-like fringe called a clavus, which gives them their unusual appearance.
Lost pilot whales were spotted in the Thames. This is what happened next
Marine mammal experts responded to the unusual sighting and tried to encourage the pod back to the safety of deeper seas.
They have enormous goggly eyes, sticky-out swivelling ears, long grippy fingers – and look like Yoda
All you ever need to know about the tarsier
