Reptiles
"These are not ordinary teeth as not only are they razor sharp and coated with iron, they have a pair of venom glands in their lower jaws" World's 7 deadliest reptiles
Uncover the deadly secrets of the world's most deadly reptiles.
From two penises to regrowing teeth and playing dead – discover 14 amazing snake facts you (probably) won't have heard before
Celebrate the Year of the Snake with our fascinating snake fact file, made up of the weirdest and most surprising things you may not know about snakes
Crocodile experts are gathering eggs from nests in Laos. This is why
Critically endangered Siamese crocodiles are getting a head start in Laos thanks to local conservation teams.
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11 epic photos of the heaviest snake on Earth
Green anacondas can grow to almost 9m in length and weigh more than 250kg – that's about the weight of a male grizzly bear.
Sneaky, hungry crocodiles have chilling trick to lure birds to their death
Not so dim after all: alligators and crocodiles have been caught using sticks as bait to ambush birds – a rare display of cunning that challenges what we think we know about reptile intelligence.
"It's 2.5 times its body length, all sticky and coiled like a spring ready to catapult out, accelerating faster than a sports car reaching nearly 100km/h"
Barely longer than a matchstick, this tiny Tanzanian chameleon packs one of the fastest weapons in the animal kingdom
Stunning alligator photos show power and beauty of these incredible predators
Remarkable images of American alligators – from the rivers of Florida to the swamps of Louisiana.
Its twisted jaws and one-sided teeth make it able to saw animals in half
It can be up to 5 feet long and hold its breath underwater for an hour – meet one of the ocean’s strangest survivors
Described as “imps of darkness” by naturalist Charles Darwin, marine iguanas are a unique species. Our expert guide by the Galapagos Conservation Trust reveals more about these amazing reptiles.
Watch mesmerising, heart-stopping BBC footage – narrated by David Attenborough – showing baby turtles freezing alive
These baby painted turtles survive temperatures as low as -10°C for months, keeping alive with a natural 'antifreeze'
"The sight is extraordinary and overwhelming. An entire beach studded with expectant mothers packed so tightly there’s barely room to step in between"
How one solemn maternal quest has morphed into one of nature’s greatest spectacles
"I was dragged into the murk. I clawed at the sand in hope of grabbing a rock to hit the big carnivore and pry my leg out from its jaws"
Marine biologist Melissa Cristina Márquez went searching for one predator – but had a scary encounter with another.
One of India's deadliest snakes is becoming even more dangerous...
Armed with skill, to remove India’s deadliest snake from where it doesn’t belong: inside people’s homes
Forget Love Island: This barren Caribbean rock is the hottest dating spot on Earth for a species on the brink of extinction
A bold Caribbean conservation experiment is playing matchmaker for endangered iguanas – and it's working better than researchers could have hoped
This highly venomous sniper can fire lethal toxins from 3 metres away into your eyes with deadly accuracy, leaving you in searing pain and at risk of blindness
Meet the spitting cobras – venomous snakes capable of projecting venom with remarkable accuracy to deter threats.
Vanishing crocodile caught on camera. Blink and you'll miss it
Saltwater crocodiles can stay submerged and unseen for hours, until they’re ready to pounce on unsuspecting prey.
"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.
Bones of giant anacondas found in Venezuela. Here's what scientists discovered when they pieced them together
A new study has revealed South America’s wetlands have been home to 5.2m-long anacondas for more than 12 million years…
Black wolf snake discovered on remote Indian island. It's over a metre long and eats other reptiles
A newly described species has been named after the famous conservationist and wildlife educator Steve Irwin.
32 staggering crocodile facts: Amazing truths about one of the deadliest – and oldest – predators on the planet, including their rather tender mating strategy...
Do snakes pee? Depends how you define wee...
Reptiles don’t just pee – they crystallise their waste. Here’s what that actually means…
Are any snakes poisonous? The answer may surprise you - here's why...
there are only a few poisonous snakes in the world - although there's plenty of venomous
10 biggest reptiles on the planet, from giant turtles the size of cars to snakes as long as double decker buses
Explore fascinating facts about the jaw-dropping sizes of these reptilian giants
Can reptiles breathe underwater? Discover how they manage to stay submerged
Although reptile don't breathe underwater some have developed adaptations to help them cope when submerged