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Arizona Ridge-nosed Rattlesnake

arzna_rdgnsed_rattlesnake_sm.jpg: Arizona ridge-nosed rattlesnake
Range: Southern Arizona and northern Mexico
Habitat: Woodlands in mountain areas
Conservation Status: Not listed by IUCN
Scientific Name: Crotalus willardi willardi

This rattlesnake gets its name from the sharp ridge of scales that runs from each eye to its snout. As in all rattlesnakes, its rattle serves as a warning to potential attackers. Many snakes without true rattles vibrate their tail against leaves to produce a rattling sound as a warning. It is thought that early rattlesnakes, which lived in more rocky areas, developed a true rattle because of the lack of leaves or grass against which the tail could vibrate.

Did You Know?

This snake is venomous.