Nigel Marven comes face-to-face with the deadly terciopelo snake.
Nigel Marven describes the difference between a milk snake and a coral snake.
Nigel Marven likes his snakes - even the deadly ones!
How did a female Komodo dragon give birth when she had never had contact with a male?
Wood frogs can withstand the closest thing to death without actually dying.
Wood frogs have the curious ability to withstand freezing.
A gallery of that cold-blooded, scaly group of animals: the reptiles.
Nigel Marven didn't expect to be bitten on the nose by this boa, we could see it coming!
Nigel Marven wrestles an enormous anaconda during Wild Colombia.
The animal is a relative of modern boas and lived in Colombia 58-60 million years ago.
Snakes are the stuff of some people's nightmares.
Power, venom, patience; the Komodo dragon has all the virtues of a killer.
Bushcraft expert Ray Mears talks about coming across a monitor lizard in Indonesia.
Ray Mears talks about his fondness for adders.
Behind the scenes with the chameleons and expert Rob Pilley.
More behind the scenes with the chameleons and chameleon expert Rob Pilley.
Wet-skinned amphibians can be gloriously coloured or unashamedly drab.
Poison dart frog is the common name of a group of Central and South American frogs.
The male midwife toad carries fertilised eggs wrapped around its hind legs.
Mitten feet, rotating eyes and variable colour hardly compare to its extraordinary tongue.
Coming face-to-face with a Komodo dragon is an unforgettable experience.
Komodo dragons are the heaviest lizards in the world and live on an island in Indonesia.
Which snake is the most venomous? And which is the swiftest?