Barry Mansell / Mojave Rattlesnake (Crotalus scutulatus) showing tongue and rattle, Arizona, USA

John Cancalosi / Mojave rattlesnake (Crotalus scutulatus). Arizona, USA

Richard Herrmann / Mojave Rattlesnake (Crotalus scutulatus) showing rattle, Rainbow Basin natural Area, Mojave Desert, California

John Cancalosi / Mojave rattlesnake strike posture {Crotalus scutulatus} Arizona USA

Barry Mansell / Mojave rattlesnake {Crotalus scutulatus} C Arizona USA