Ridge-nosed Rattlesnake vs. Rock Rattlesnake
Both are small rattlers of the rocky oak and pine-oak woodland of the southeastern sky island mountains. A: A raised rim of upturned scales round the tip of the snout in the Ridge-nosed Rattlesnake; no rim on the snout in the Rock Rattlesnake. B: Bold white lines on the chin and the side of the face (Arizona form) in the Ridge-nosed Rattlesnake; no white face lines in the Rock Rattlesnake. C: Pale crossbars edged dark front and back in the Ridge-nosed Rattlesnake; widely spaced, jagged black crossbands on grey or greenish in the Rock Rattlesnake. Both Ridge-nosed and Twin-spotted Rattlesnakes are protected in Arizona. Venomous: leave rattlesnakes alone and give them room.
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