Animal Facts
    Common Name:
    Scientific Name:
    Crotalus cerastes
    • Often sit just under the sand, waiting to ambush prey.
    • Named for their "sidewinding" form of locomotion.
    • Sidewinders often bite and release venom into their prey, and then track it by scent.
    8 oz
    18 in
    Life Span:
    20 yrs
    Number of Young:
    8-12 eggs
    • Desert
    • Rocky Areas
    • Shrubland
    Fun Facts:
    • The track they leave in the sand resembles the letter "J" and the bottom of the J indicates travel direction.
    • Their activity decreases in the cooler winter months.
    • Bites from sidewinders are rarely fatal to humans, but should be attended to immediately.
    • Females are much larger than males.
    Endangered Status
    Endangered Status
    • Extinct in Wild (EW)
    • Critically Endangered (CR)
    • Endangered (EN)
    • Vulnerable (VU)
    • Near Threatened (NT)
    • Least Concern (LC)
    • Not Evaluated (NE)

    For the sidewinder, we provide an annual light cycle that replicates the seasonal changes in daylight in the wild. The nocturnal hallway in Desert is also on a reverse light cycle meaning it is nighttime in the hall during the day.