Reptiles

Big headed turtle. © ZSL London Zoo

Unusual turtles find a new home after smuggling ordeal

Grass snake on the woodland floor during the summer. © Jamie Hall/Getty

Fact file Grass snakes, the UK's largest native reptile

Amazon tree boa. © Jeff Chandler/Getty

New findings reveal the origins of modern day snakes

Mussaurus hatchling skeleton. © Dr Andrew Cuff

Dinosaur species changed locomotion as it grew

Image of a sea serpent seen off Gloucester, Massachusetts in 1817

Sea serpent sightings influenced by marine fossils

An artistic representation of Hypsilophodon. © Trustees of the Natural History Museum

Five British dinosaurs you’ve (probably) never heard of

Dr. Phil Manning and Dallas Evans use a pneumatic and chisel to get the jacket ready to flip so they can jacket the underside of the fossil. © The Children’s Museum of Indianapolis

London scientists to go on US Jurassic dinosaur hunt

A male adder warming itself in the spring sunshine. © Sandra Standbridge/Getty

Adders could be facing a risk of extinction across Britain

Land iguanas are an endemic species to the Galápagos Islands. © Island Conservation

Iguanas reintroduced to island after 180 years absence

Redonda 0113 Ed Marshall

A new dawn for the wildlife of Redonda, by Ed Marshall

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Dragon islands – how people live alongside the world’s largest venomous reptile

The Queen Alexandra's birdwing (Ornithoptera alexandrae) is the largest butterfly in the world with a wingspan of 25 cm, and was reassessed for the latest IUCN Red List update © Mark Joy

IUCN Red List update: how different species have fared

The coral reef system is home to a wide variety of wildlife © Auscape / UIG / Getty

Why this lizard sticks its tongue out at predators

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Turtle tourist traps

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Feeling the heat