The test subjects included western diamondbacks, a southwestern speckled rattlesnake, a black-tailed rattlesnake, a Sonoran Desert sidewinder, a tiger rattlesnake and “a trio of tiny newborn ...

The Sidewinder's rattle warns its victims ... identified by the horn-like scales on its head. Sonoran Gopher Snake Native to the southwestern United States, the Sonoran Gopher Snake is non ...