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It's the size of Leeds, 2,000 metres deep down in the Gulf of Mexico and known as the 'Pool of Death'
So do ostriches really bury their heads in the sand?
Why do we say ostriches bury their heads in the sand - and do they really bury their heads? Stuart Blackman looks at the evidence and how this saying originated
Heron vs egret: what's the difference between these two leggy, long-necked, very elegant, beautiful birds?
Know your herons from your egrets? Tom Hibbert from The Wildlife Trusts takes a look at some of the differences…
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Deep sea robot discovered bizarre ‘forest’ full of eerie animals 2,442 metres deep, astonishing scientists
The deep-sea landscape seems so odd that it wouldn’t look out of place in a cartoon
What's the most common bird in the world? Clue there's a whopping 20 billion of them
From agricultural pests to garden favourites, these are the most common and widely seen birds around the world – both wild and domestic
Venomous vs poisonous – do you know the difference?
We explore the differences between venomous and poisonous
“If they could do this almost 100 years ago, could we replicate it in a modern-day maritime version?” The 1930s US president who inspired marine conservation scheme
How a trip to a US national park sparked the idea for a scheme to protect oceans and tackle coastal youth unemployment
"Just keep swimming." Shark expert tags largest fish on the planet off New England coast
Tagging sharks and other marine animals can help scientists understand the reasons behind their migrations.
Staggering power of crocodiles captured in one incredible photo
This single image shows the breathtaking hunting abilities of one of the planet's most formidable predators.
Brits are desperate to save this prickly garden visitor – but Kiwis don’t feel the same
Hedgehog numbers are decreasing at an alarming rate in the UK – but you can help save them
The truth about shark bites – and how to make your visit to the ocean safer
Shark attacks on humans are extremely rare, but should it ever happen, here's our expert guide on what to do.
3 miles down in the ocean deep-sea robot discovered a bizarre world that shouldn't exist – where water reaches 401°C
The Beebe Vent Field in the Cayman Trough is home to the world’s deepest known hydrothermal vents
This strange sea creature has one of the bizarrest sex lives ever – involving group sex and gender swapping
Nick Baker takes a look at the secrets of the Slipper limpet
"They typically poop just once a week." 10 weirdest toilet habits – including eating it for breakfast and peeing out your mouth
Wild, weird and seriously messy animal bathroom habits
Do all fish pee? It's not quite what you might expect
how do fish get rid of waste products? Do fish pee? We take a look at a fish's urinary system
"It gave an explosive snort, opened his enormous jaws and lunged towards us. 'It's Mad Max!' Murray shouted. 'Keep paddling'"
A memorable canoe safari down the Zambezi River left Olivia Pozzan feeling extremely lucky
“It digests its victims within a customised ‘stomach’ so efficiently that only a wisp of skin remains”
The Venus flytrap of North America acts like a spring-trap, snapping its claw-like leaves shut on any bug unfortunate enough to alight.
"Their pincers contain a venomous cocktail of enzymes and toxins, which is injected to immobilise their catch before they liquify it"
Laurie Jackson explains all you need to know about pseudoscorpions, tiny arachnids which are also known as false scorpions
Can this poor zebra escape a deadly crocodile's jaws? Watch heart-wrenching, tense, BBC footage of a perilous battle at the river’s edge
Zebras must face one of nature’s most dangerous challenges: crossing predator-filled rivers
"He was the horse the Germans couldn't kill." 8 incredibly brave animals that fought in wars across the world
Meet the surprising and heroic animals used in warfare from the ancient Egyptians to modern day
Watch nail-biting, scary footage of a powerful grizzly mama bear stalking a hiker
Incredible footage captures the moment a massive mama grizzly bear and her cubs approaches a hiker in Alaska.
It’s 2,000 years old, half a mile long and paved with giant slabs – but why is this mysterious road at the bottom of the Caribbean Sea?
“The trapdoor burst open and a massive, ferocious bear’s head and a paw appeared.”
Wildlife photographer Michel d’Oultremont talks bear scares, deer ruts and frostbite
Whale shark vs basking shark: what's the difference between these titans of the ocean?
They might be the largest fish in the sea, but these gentle giants are harmless – here's how to tell them apart.
