reptile: Media
animal
Videos
What's the difference between turtles and tortoises?
You can say that all tortoises are turtles, but not all turtles are tortoises.
Observe an anole change its skin colour for camouflage and fan its dewlap to mark possession or attract a mate
Most anoles can change colour. The brightly coloured throat fan, or dewlap, signals...
Watch green sea turtles hatch from eggs and head to the ocean to avoid predators
A green sea turtle (Chelonia mydas) laying eggs on a beach and hatchlings...
How chameleons change color—and why
Contrary to popular belief, chameleons don't actually change color to blend into...
Unique traits of the Galapagos marine iguana
Marine iguanas (Amblyrhynchus cristatus) of the Galapagos Islands.
Meet the most dangerous lizards and turtles
Learn about several types of turtles and lizards—such as Gila monsters, snapping...
How Manú National Park in Peru protects biodiversity
Learn how and why inventories of the high level of reptile and amphibian biodiversity...
Images
painted turtle (Chrysemys picta)
Painted turtle (Chrysemys picta).
Leonard Lee Rue III—The National Audubon Society Collection/Photo Researchers
black girdle-tailed lizard (Cordylus nigra)
Black girdle-tailed lizard (Cordylus nigra).
Heather Angel
lizard body structures
Specialized body structures of lizards: (A) frill of a frilled lizard (Chlamydosaurus...
Encyclopædia Britannica, Inc.
Komodo dragon (Varanus komodoensis)
Komodo dragon (Varanus komodoensis), the world's largest extant lizard species....
© Ringo_Wong_hkherper/iStock.com
Archelon
Skeleton of the Cretaceous marine turtle Archelon, length 3.25 metres (10.7...
Courtesy of the Peabody Museum of Natural History, Yale University
blue-tailed skink (Plestiodon skiltonianus)
Potential predators of the blue-tailed skink (Plestiodon skiltonianus) are...
© dwi putra stock/Shutterstock.com
Gila monster (Heloderma suspectum)
Gila monster (Heloderma suspectum).
Richard Weymouth Brooks/Photo Researchers
Black-necked cobra (Naja nigricollis)
Black-necked cobra (Naja nigricollis).
© Paul Lloyd/Shutterstock.com
Müllerian mimicry: coral snakes
Müllerian mimicry involving (left) the venomous Eastern coral snake Micrurus...
Painting by C. Olsen
synapsid and reptilian skull types
Synapsid and reptilian skull types.
Encyclopædia Britannica, Inc.
Reptilian brain structure
In the brain of reptiles such as the caiman (related to the alligator and crocodile),...
Encyclopædia Britannica, Inc.
reptilian heart types
Types of reptilian hearts: lizard, snake, crocodile, and turtle.
Encyclopædia Britannica, Inc.
specialized chameleon and gecko eyes
Specialized eyes of the chameleon (Chamaeleo) and the gecko (Gekko).
Encyclopædia Britannica, Inc.
Black-and-yellow mangrove snake (Boiga dendrophila)
A black-and-yellow mangrove snake (Boiga dendrophila) sticking out its forked...
© mgkuijpers/Fotolia
How the Jacobson's organ works
This diagram shows the process of chemoreception using the Jacobson's (vomeronasal)...
Encyclopædia Britannica, Inc.
reptile thermoregulation
Reptiles are common faunal inhabitants of scrubland ecosystems. Because they are...
Encyclopædia Britannica, Inc.
body plans of extinct reptiles
A selection of body plans of extinct reptiles.
Encyclopædia Britannica, Inc.
Tree of life illustrating the three-domain classification of life-forms
The tree of life according to the three-domain system of biological classification.
Encyclopædia Britannica, Inc.
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