Crotalus cerastes
（重定向自Horned rattlesnake）
![](/Images/godic/202501/18/Crotalus_cerastes_mesquite_springs_CA-23814.jpg")
![](/Images/godic/202501/18/Crotalus_cerastes_distribution3814.png")
![Sidewinder tracks in Death Valley National Park](/Images/godic/202501/18/Sidewinder_death_valley3814.jpg")
- Common names: sidewinder, horned rattlesnake, sidewinder rattlesnake, more
Crotalus cerastes is a venomous pit viper species belonging to the genus Crotalus (rattlesnakes) and found in the desert regions of the southwestern United States and northwestern Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.