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North American beaver vs Eurasian beaver: what's the difference between these two huge rodents?
Separated by thousands of miles, North American and Eurasian beavers have distinct differences – right down to the way they engineer their dams
Up to 200,000 porcupine caribou make an arduous migration from the Yukon to Alaska every year. Watch their incredible journey
Witness one of the planet's greatest animal migrations.
At 130km across, it's the world’s largest natural mirror – but this otherworldly landscape is stranger than it looks, and has starred in Star Wars
Salar de Uyuni is an enormous desert of white salt in Bolivia. Here's everything you need to know...
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"At first he licked the doors and tyres, but then decided to spar with the hood. I didn’t feel safe trying to stop him"
Wildlife photographer Deena Sveinsson on braving the cold for the perfect shot
This 2-metre monster latched onto a diver's face with its needle-sharp teeth and left him needing more than 20 stitches and plastic surgery…
This terrifying eel is worth avoiding because of it's ability to latch on and spin like a crocodile
"His notes make harrowing reading: Bleeding of mucous membranes began about 5.30pm, urination at 12.20am, mostly blood, a good deal of abdominal pain"
Karl P Schmidt documented his harrowing symptoms from a deadly snake bite as his condition deteriorated
Woolly mammoth vs elephant:They look like giant, hairy elephants… but how different were woolly mammoths really?
How different are elephants to woolly mammoths? Stuart Blackman explains how these two giant differ
“Oh my goodness. I was holding my breath.” Speeding boat nearly collides with humpback whales in Australia
Speeding boats can harm marine animals and cause safety issues for those onboard.
It clatters like a machine gun, has a deadly prehistoric-looking beak, can live for 25 years and can grow up to a whopping 1.5m tall with a wingspan of 2.6m
This bird can can stand still as a statue for hours, will stare you out and cruelly kill its sibling using its huge, razor-sharp bill
"He was an ideas generator – he came up with ideas which were way ahead of their time.” Gerald Durrell, the man who revolutionised zoos and conservation
Patrick Barkham investigates the life and legacy of conservationist Gerald Durrell
It looks like seaweed, moves like seaweed – but don’t be fooled: this is a fish where the males get pregnant
It also swallows its prey whole and has an unusual mating ritual.
How do animals survive life on the equator? The astonishing tricks rainforest creatures use to survive the world’s hottest, wettest forests
Whether it's hot and humid or cold and dry, there are many challenging environments along the Equator. So how have animals adapted to it?
Expedition team has "unforgettable encounter" with one of New Zealand's most incredible creatures
In February 2025, researchers shared footage of nearly 30 New Zealand longfin eel ahead of their 1,000-mile migration to Tonga. After their epic journey, the eels lay their eggs and die – but how do the young get back home?
Researchers put cameras in the trees of the second largest rainforest in the world. Here’s what they found
From the ground into the canopy, the Congo rainforest fosters more interconnected biodiversity than previously thought, according to a new study.
“The victim's muscles go rigid, abdomen, chest and back cramp, then cardiovascular collapse can follow.” 8 most dangerous, deadliest animals in Colorado
Sprawling for a whopping 3.5 million acres of wilderness, the state of Colorado includes habitats ranging from sprawling forests to semi-arid shrublands, and alpine tundra to lowland plains.
“That’s amazing!” Marine biologists film rare ‘headless chicken monster’ deep in the Pacific Ocean
In a clip from the deep-sea documentary How Deep Is Your Love, scientists discover an elusive sea cucumber
This deadly creature nicknamed the ‘Death Star’ grows up to 50 ‘bear trap’ arms to snare its prey
The multi-armed Antarctic sun starfish is an opportunistic predator that dominates one of the harshest climates on the planet.
It can swallow 5 Empire State Buildings, is as long as Portugal – and is home to a deadly but rare big cat
The Yarlung Tsangpo Grand Canyon and its river are a sight to see. Here's why...
This mammal's bizarre tongue is so long it has to tuck it up inside its ribcage. Here's why
Here's how and why the tube-lipped nectar bat stores its extra long tongue
It's one of the oldest and driest deserts in the world, is 5 times drier than the Sahara – and it's about to bloom with millions of flowers
The Atacama Desert is one of the most unique landscapes on Earth.
"It's famous for the mighty river that snakes through its forests, but high above the canopy, another vast river is moving…" – Discover the Amazon's 'Flying River'
Here's how flying rivers in the Amazon contribute to moisture distribution across the continent
"It was declared an act of heresy and witchcraft, and it was convicted to death by fire…" 11 horrendous times animals were tried for their crimes in court
From medieval Europe to modern courtrooms, here are 11 bizarre times that animals have found themselves in the dock…
Its 4 to 6 fang-like front teeth deliver the most severe damage – and its snapping jaw reflex can even be triggered after death
Here's why the wolf-fish is named after a canine
'They gorge voraciously on slugs and snails, injecting them with paralysing toxins that break down the tissues, before sucking up their digested remains.'
Despite their stunning display, these insects have a ruthless routine as larvae. Kate Bradbury investigates glow worms
