Reptiles
How on Earth do sea turtles find their way back to where they hatched?
Female turtles return to the beach where they originally hatched to lay their eggs, but how do they know where it is?
“It’s a bit like sea turtle forensics." Scientists looked inside 24 turtles – and uncovered secrets from the past
Sea turtle shells are helping researchers learn more about major environmental changes in the ocean's past.
Biologists stuck a camera on a sea turtle – and it filmed this
TurtleCams are helping marine researchers learn more about the lives of sea turtles as they cruise through our seas.
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When scientists descended into an unexplored cave in the Cambodian mountains, they found a “treasure trove” in the darkness
A team of researchers discovered species new to science, as well as threatened wildlife, in these vast underground habitats
Crocs on jet skis and kayaks: why Florida’s huge apex predators are coming out of the water and sunbathing in unlikely places
Animals sunbathe for a variety of surprising reasons – resulting in some unusual sights
The world’s largest reptile is a deadly apex predator that’s 5 metres long and weighs half a tonne
The saltwater crocodile is a huge apex predator that you definitely wouldn't want to encounter
It flows over 4,000 miles, crosses 11 countries – and a deadly apex predator lurks within it
The Nile crocodile is one the river's most deadly – and patient – ambush predators
It plunges head-first into the ground and swims through the sand faster than an Olympic swimmer swims through water
Imagine diving into a dune and swimming off like a fish. Well here’s the sandfish that does just that.
There is only one place on Earth where crocodiles and alligators live together in the wild – and it's here
Can crocodiles and alligators co-exist in the wild? The answer is yes – but there is only one place on the planet where this happens.
Snakes are hanging from cave ceilings on this Caribbean island. They're waiting for something
Measuring up to two metres in length, the Puerto Rican boas lower their long bodies into the darkness and wait...
Can a human outrun a crocodile? Just how fast are these deadly, ferocious reptiles?
Just how fast are crocodiles?
Is this the biggest maternity ward in the world? Mega nest of 41,000 huge animals in Amazon is the largest ever found...
How drones revealed over 41,000 giant South American river turtles nesting on the banks of the Guaporé River between Brazil and Bolivia.
“Hunger drives the lizard to make a second attempt.” Watch brutal BBC footage of an opossum fighting off a huge lizard to save her babies
In footage captured for the BBC TV film Komodo: The Deadly Bite, a monitor lizard tries to steal from an opossum nest
It's as long as a baseball bat, weighs the same as a Labrador and is preyed on by one of the world's deadliest animals
Learn all about one of the least known sea turtl - the flatback turtles
It's 2,350 miles long, spans 31 US states and is home to a 100kg animal with a tongue that looks like a worm
The alligator snapping turtle is one of the Mississippi River's most curious-looking creatures.
It's the size of a small car, has outlived the dinosaurs can dive a bonkers 1,000 metres down
Our guide to the endangered leatherback turtle most frequently seen in British waters.
Formidable power of crocodiles revealed in staggering slow-motion video
Dramatic footage shows two Nile crocodiles colliding in Tanzania's Serengeti National Park.
“After nearly an hour of brutal fighting, it’s all over.” An otter family must defend its pups from a caiman. What happens next is extraordinary
In footage captured for the BBC TV programme Giant Otters of the Amazon, a caiman refuses to back down from fighting with a family of otters
“There’s danger in this urban paradise.” Huge carnivorous lizards stalk this popular city park alongside humans
The world’s second largest lizard has made this Indonesian park their home – alongside humans
What's the difference between snakes and slow worms?
They may look similar but that's as far as it goes...
"I get goosebumps thinking about it.” Giant tortoises return to remote Galápagos island after more than 150-year absence
The release of 158 giant tortoises on the island of Floreana is a major milestone for Galápagos conservation.
10 brutal photos of the largest lizard on Earth that secretes enough venom to kill a human and has iron-tipped teeth
The Komodo dragon is a powerful and deadly apex predator, as showcased in these remarkable images
Camera hidden inside crocodile nest – this is what it filmed
The extraordinary footage was captured in Uganda's Murchison Falls National Park.
Australia’s most terrifying wildlife spectacle: 50 saltwater crocs crammed into one small stretch of river waiting to strike
At Cahill’s Crossing in Northern Territory, traversing a flooded causeway could be risky, but the bigger danger is provided by densely packed saltwater crocodiles
