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Marine Iguana Basking in the Sun

Photo: A marine iguana basking in the sun
Found only on the Galápagos Islands, marine iguanas often wear distinctive white "wigs" of salt expelled from glands near their noses.
Photograph by Rob Stewart/Animals Animals—Earth Scenes

Multimedia

Reptile Features

Photo: Marine iguana

Photo of the Day: Sea Food

Go to the Galápagos Islands for a look at a marine iguana, which feeds on underwater algae.

Photo: Brady Barr holding a golden lancehead snake

Snake Island

Go face-to-fang with the highly poisonous golden lancehead snakes of Brazil's Queimada Grande Island in this Field Tales feature.

Learn More
Photo: Nile crocodile

Kids: Crocodile Creature Feature

Get fun facts on Nile crocodiles, plus video, audio, photos, and more at National Geographic's Kids site.

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Six Degrees Book and DVD

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Get an eye-opening warning of the dangers of climate change, one degree at a time.