Gila monster

Largest species of lizard in the United States

The Gila monster ( HEE-lə; Heloderma suspectum) is a species of venomous lizard native to the Southwestern United States and the northwestern Mexican state of Sonora. It is a heavy, slow-moving reptile, up to 22 in (56 cm) long, and it is the only venomous lizard native to the United States. The Gila monster is sluggish in nature, so it is not generally dangerous and very rarely poses a real threat to humans, though the bite is painful.

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