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North American Animals - mamals, birds, reptiles, insects
Sidewinder (Crotalus cerastes)
Crotalus cerastes from the dunefields of the western US
Photograph by Marshal Hedin. Some rights reserved. (view image details)
Photograph by Tigerhawkvok. Some rights reserved. (view image details)
The Sidewinder is cream, buff, yellowish brown, pink or pale gray with 28 - 47 blotches on the back. The blotches are roughly rhombus shaped or oval shaped. The underside is white. The Sidewinder moves over loose sand by throwing loops of the body to the side and pushes forward in an s-shaped curve. It leaves a trail is a series of parallel j-shaped lines at a 45 degree angle to the direction of movement. It has raised scales above its eyes, giving it the common name of Horned Rattlesnake.
Horned Rattlesnake, Mojave Desert Sidewinder
50 cm - 80 cm
lives in areas of wind-blown sand. Also found in hardpan, open flats, rocky hillsides, and other open desert areas with light vegetation.
Eats rodents and lizards. Juveniles eat mainly lizards.
Females produce up to 18 live young, with an average of about 10 per litter. The young stay with their mother in a burrow for the first 7–10 days.
eastern California, southern Nevada, south western Utah, western Arizona. Also found in north western Mexico in Sonora and eastern Baja California.
Sidewinders are venomous, but have weaker venom than many other rattlesnakes. Seek immediate medical attention if bitten.
Relatives in same Genus
Eastern Diamondback Rattlesnake (C. adamanteus)
Western Diamondback Rattlesnake (C. atrox)
Baja California Rattlesnake (C. enyo)
Timber Rattlesnake (C. horridus)
Banded Rock Rattlesnake (C. lepidus klauberi)
Rock Rattlesnake (C. lepidus lepidus)
Southwestern Speckled Rattlesnake (C. mitchellii pyrrhus)
Blacktail Rattlesnake (C. molossus molossus)
Southern Pacific Rattlesnake (C. oreganus helleri)
Great Basin Rattlesnake (C. oreganus lutosus)
Northern Pacific Rattlenake (C. oreganus oreganus)
Twin-spotted Rattlesnake (C. pricei)
Red Diamond Rattlesnake (C. ruber)
Mojave Rattlesnake (C. scutulatus)
Tiger Rattlesnake (C. tigris)
Hopi Rattlesnake (C. viridis nuntius)
Arizona Ridgenose Rattlesnake (C. willardi willardi)