Didn't see a single snake on our 10 day trip. These tracks are the best I did! Looked like the sidewinder tracks shown in the visitor's center.
9:45 PM. 82F
These two sidewinders were not mating, and appeared merely to be lying in a pile. The much larger sidewinder appeared to be gravid.
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.