An enormously developed extension of its skull lends this lizard a resemblance to the "Alien" of horror movies. In contrast to other basilisks (which can run so quickly they can…
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Found from Mexico to Paraguay, this is one of the most well-known snakes, and has been popular in zoos for well over a century. It is also common in private…
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This larger, more arboreal relative of the Gila monster is easily distinguished from it by being black and cream-colored, rather than black and pinkish-orange. Like the Gila monster, it is…
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Found from northern Mexico to Central America, it was only separated by herpetologists from the South American Tropical Rattlesnake (Crotalus durissus) in 2004. Unlike its South American relative, but in…
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There are a number of small Tropical American prehensile-tailed, tree-dwelling pit vipers, but many of them have small distributions and are very rare. This species is found all the way…
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One of the most infamous of the world's venomous snakes, this species is the leading snakebite species in its habitat. It is found from southern Mexico down to Northern South…
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There are more than ninety species in the genus Sceloporus, many of them familiar as "Blue-bellies", "Swifts", and "Fence Lizards". In the same family as "Horned Toads", they are found…
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Most of the more than 2,000 species of geckos are nocturnal. Many are colored like bark, or in earth tones. In contrast, as their name implies, the 40 or so…
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Another very large chameleon of Madagascar, this lizard is slightly smaller than the very similar Oustalet's chameleon, and differs in having fewer spikes in the crest on its back. It…
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Reaching 27 inches in length, this is the biggest species of chameleon. Along with insects, it eats small birds and mammals. Like other chameleons it shoots out its tongue with…
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