Meller's chameleons are also called giant one-horned chameleons because of their large size and the small horn protruding from the front of their snouts.

Meller's Chameleon on a Branch

Meller's chameleons are also called giant one-horned chameleons because of their large size and the small horn protruding from the front of their snouts.
Photograph by Marian Bacon/Animals Animals—Earth Scenes

Chameleons

See chameleon pictures in this photo gallery from National Geographic.

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