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It’s not just glow worms or fireflies that glow in the dark… this is the first ever image of a wild marsupial lighting up under UV
Biofluorescence is most common in marsupials such as platypuses and quolls
They strike with clenched talons at 200mph, crush skulls, shred prey, and can inflict deep head wounds on humans – 10 deadliest birds of prey on the planet
Silent wings, razor-sharp talons, and killer precision—these apex aerial predators rule the skies. Here are the world’s deadliest birds of prey
10 most violent animals on the planet: Inside the brutal battles and wars waged with their own kind
From queen-slaying ants to brawling kangaroos, these species reveal just how savage survival can be in the natural world
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Think you’re seeing a giant, humongous spider? Think again… as all is not what it seems
Meet the puppet master...
Deadly prehistoric snakes the length of a bus, 7 tonne crocodiles and supersized penguins almost 2 metres high - 11 animals that used to be bigger
Discover the extraordinary prehistoric giants – from mega-sloths to monster sharks – that once made today’s animals look miniature.
Do birds sweat, like other animals, to cool down?
Mike Toms explains how birds keep cool in hot weather
What’s the rarest bird in the world? Discover the ones on the brink of extinction
What are the rarest birds in the world? Stuart Blackman takes a look at the contenders
Sharp fangs, black eyes, translucent skin: The world's top 10 scariest-looking animals look like they've been dragged back from the dead
These creatures will have you squirming.
11 ferocious big cat photos that reveal the savage strength of these ruthless, brutal apex predators
These incredible images are raw and powerful.
It spans 6000 km of the coasts of Portugal, Spain, France and Italy – the animal that builds cities
How one super-sized ant colony could house half a billion ants
“A baby sloth reached out a claw and I was hooked.” My week in the remote Amazon jungle
Going deep into the Amazon on a river cruise offers a different way of experiencing this extraordinary place
Drones capture lemon sharks hunting 'jaguar' fish in Brazil. It has never been recorded before
Researchers observed the unique behaviour near Fernando de Noronha, an archipelago 220 miles off the coast of mainland Brazil.
"Their eerie howling from a wintery mountainside will still bring a shiver to the spine" – 10 biggest wild dogs on the planet
Discover the biggest and most ferocious members of the dog family
Wait there's wild hamsters? Oh yes – and they're fuzzy, feisty, and just as cute and podgy as your childhood pet, just 4 times the size
Europe's wild hamsters are feisty giants with a predatory streak, but under threat, says Mark Stratton
“It’s an undeniably primal thrill.” How ‘noctourism’ is transforming wildlife travel
Noctourism reveals wildlife’s secret rhythms while boosting vital conservation efforts
Which insect can be crowned the UK's largest? There's one that's an impressive 12cm long
The charity Buglife takes a look at the contenders for the UK's biggest insects
A mother's love: 13 beautifully intimate photos that capture the loveable and unbreakable bond between a leopard mother and her adorable cubs
Leopard mothers with young cubs are notoriously elusive, but one female in a quiet corner of Botswana has allowed wildlife photographer Suzi Eszterhas a privileged view into family life. Leopards, it seems, can change their spots.
“The tiny turtles’ perilous haul is akin to a marathon across the world’s most dangerous obstacle course.”
Thousands of turtles emerge from the ocean to lay their eggs – but only a handful of hatchlings will make it
"Seeing them walk free was incredibly rewarding": 50 giant tortoises released on island in the Seychelles
The new castaways will help rewild the exclusive tropical island.
From caimans in Brazil to leopards in Zambia: 10 awe-inspiring noctourism destinations for wildlife lovers
Head out after dark for some incredible wildlife spectacles – here are just some of the best locations to add to your travel bucket list
Anti-poaching rangers, woodland fire fighters, marine biologists – these are the 8 most dangerous, life-threatening wildlife jobs on the planet
From firefighting in wildlife reserves to tracking poachers in remote jungles, these wildlife jobs are some of the most dangerous in the world – but also among the most vital
“Not expected at all”: dolphin researchers just made a surprising discovery in the Mediterranean Sea
Mediterranean dolphins have coastal and inshore ecotypes that pass each other by without interacting, like ships in the night, new study finds
Why do spiders have 8 eyes?
When it comes to eyes, spiders are spoilt for choice...
Tiger experts hide camera traps in Sumatran jungle. What they capture is “critically important”
The study took place in the Leuser Ecosystem, a vast jungle area near the northern tip of the Indonesian island.