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The Aruba Island rattlesnake is one of the rarest rattlesnakes in the world. The Zoo participates in a Species Survival Plan, a collaborative effort of institutions accredited by the Association of Zoos & Aquariums, to maintain Aruba Island rattlesnakes in human care as well as support the study and conservation of the species in the wild.

aruba island rattle snake

Did You Know?

Heat-sensing pits on the side of its face help the rattlesnake locate prey by body heat.

Quick Facts

Latin Name:
Crotalus unicolor

Aruba Island

Dry regions, rocky hillsides and desert

Up to 3ft

Zoo Location:
Reptile House

Small mammals, birds and lizards

Risk Status:
Species at Risk (IUCN—Critically Endangered)