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Scientists tag 6 ‘unicorns of the sea’ and follow them 1,500m into the deep – to places humans can’t go
Narwhals recorded Arctic ocean data which will be used to help inform climate research in the region
These monkeys turn into meat-eaters when plants are scarce. There’s something very human about it, says scientists
Scientists find that capuchin monkeys hunt for meat when plants are scarce
It has supermodel legs, walks like a camel, hunts like a cat and – bizarrely – loves fruit. Meet one of the weirdest dogs on the planet
James Fair tracks down the enigmatic and strange maned wolf
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Swift or swallow? What’s the difference between these two remarkable birds that travel thousands of miles?Swift vs swallow:
Know your swallows from your swifts? Tom Hibbert from The Wildlife Trusts takes a look at some of the differences…
"It had two gigantic 20cm fangs that it used to tear apart its prey." 10 horrifying, terrifying prehistoric sea monsters that once ruled our oceans
The seas have been home to some monstrous creatures over the course of the last 500 million years. Here are 10 that you’ll be glad are long extinct…
Scientists hid cameras in an abandoned house in Argentina – and found carnivores sharing a room inside it
Images captured in the house show black vultures sharing a nest site with American barn owls. In another abandoned structure, the researchers recorded black vultures nesting beside Chaco eagles.
“I was setting up a camera trap when we heard a trumpet. An elephant was charging, flattening every tree in its path. We ran...”
Hair-raising adventures with big-cat
lover Sebastian Kennerknecht
Do animals enjoy sex? The species seeking pleasure as well as procreation
Humans and some animal species are known to get pleasure from the act of sex, but do other animals orgasm, masturbate and enjoy sex in the same way?
It looks half-zebra, half-giraffe and has a 50cm tongue that can lick its own ears. Meet one of the world's most confusing animals.
Learn more about these elusive African mammals, which are actually related to giraffes.
Large animal with cat-like eyes filmed at bottom of Caribbean Sea
The false catshark, which can grow up to 3m long, was one of many remarkable species observed during a recent expedition to explore the waters around the island nation of Trinidad and Tobago.
"It has to awkwardly shuffle and spread its front legs to reach the ground for a drink of water. Fortunately though it only needs to drink once every few days"
Just how tall is a giraffe and how do they drink? Learn all about these impressively tall mammals, including key species facts, their diet and best places to see them in their natural habitat in our expert giraffe guide.
"It can fit in the palm of your hand, could kill you in minutes with a venom a thousand times stronger than cyanide – and there's no antidote"
Discover all you need to know about one of the world's deadliest animals
“It causes excruciating ‘whole-body’ pain that lasts for weeks in humans.” 9 dangerous animals armed with deadly venomous spines
From pus-filled stab wounds to paralysis and cardiac arrest, it’s best to steer clear of some of the world’s most venomous spined creatures
It's a tiny island, just 3 football pitches in size, filled with thousands of deadly venomous cobras and just 100 humans… This is what happens…
This tiny island in Uganda is home to deadly forest cobras, and local fisherman have strange beliefs to keep them friendly
"You’ll see a beautiful, delicate, glassy animal. The whole body is encased in a transparent hinged ‘clamshell’ arrangement…"
Nick Baker takes a look Daphnia pulex and how its reproduction strategy helps future generations survive
Why don't whales and dolphins suffer from the bends like humans do?
John Arnott takes a look at why cetaceans don't suffer from the bends
Surf's up! | Why do dolphins like to follow boats and surf the bow waves?
Dolphins often follow boats and bow-ride as it's not only fun, but also an efficient way to travel
Don’t think birds can look scary? Think again – these 7 creepy birds look like they're straight out of a horror film
From heavyweight scavengers to flightless giants with horned heads, we take a look at some of the scariest-looking birds on the planet
Despite weighing a massive 4 tonnes, this mammal can dive 2000 metres down, hold its breath for an incredible 2 hours and even control its heart rate
This grave-robbing hamster finds its next meal in a cemetery – but it’s not what you think
This hamster is in search of its next meal. The biggest obstacle? Clumsiness.
When a solar eclipse cast darkness over Lake Erie, this happened to the birds that live there
What happens to birds when their daytime world suddenly goes dark? A researcher in Canada wanted to find out.
It can be as long as a cricket pitch, weighs a mighty 30 tonnes (that's three-times the weight of a T-rex) and can live for a century
The whale shark is the world's largest shark and fish species, with a maximum age estimated to be 100 years and it's thought they can reach up to 20 metres in length.
It bites its own tail to transform into a brutal spiked wheel – one of nature’s strangest defences
Coiled in self-defence, this armoured creature turns its body into a formidable fortress to evade predators
It’s 3 metres long, shaped like a scythe and used to whip and stun prey – this is the longest tail on the planet
While you might think that the record holder for the world's largest tail could belong to a whale, that's not technically true
