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Flap-Necked Chameleon

Photo: A flap-necked chameleon stops mid-stride on a limb
Famous for changing the color of their skin, chameleons are more like mood rings, with their color changes reflecting mood, temperature, light, and other stimuli.
Photograph by Michael Nichols

Multimedia

Reptile Features

Photo: King cobra

King Cobra

Come face-to-face with a full-size king cobra.

Photo: Stilt birds and iguana by a river

Photo of the Day: Crazy Legs

See stilt birds tiptoeing around a green iguana on the grasslands of Venezuela's Orinoco River.

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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Special Advertising Sections

Phot: Girl drinking bottled water

Interactive Map

Explore the signs of and solutions to the world’s water crisis.

Photo: Valero train

Interactive Map

Visit Siemens locations with this interactive map.

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Photo: Three-horned chameleon

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Photo: Nile crocodile

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Photo: A cartoon dog

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Six Degrees Book and DVD

Image: Six Degrees DVD and book

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