
Aruba Island Rattlesnake
Scientific Name
Class
Order
Range
Habitat
Estimated Wild Population

More Information
Physical Description
Aruba Island rattlesnakes vary from gray to pink to brown based on the color of their habitat. Their head and neck are adorned with diamond-shaped markings, which can extend down their body. These rattlesnakes can grow two to three feet in length. They are nocturnal during the warmer months, but are most active in early morning and late afternoon during the rest of the year. Their diet includes small rodents, birds, and lizards.
Interesting Fact 1
Aruba Island rattlesnakes use their tail rattle to warn off predators.
Interesting Fact 2
Although their venom is life-threatening to humans, these non-aggressive snakes are not categorized as dangerous because they only bite when provoked.
Interesting Fact 3
These snakes have a range of approximately 12 square miles and are considered one of the world’s rarest rattlesnakes.
Species Survival Plan®
We cooperate with other members of the Association of Zoos and Aquariums to manage the zoo population of this species through a Species Survival Plan®.

Commitment to Care
Lincoln Park Zoo prioritizes individual well-being over everything else. Guided by scientific research, staff and volunteers work to provide the best welfare outcomes for each individual in the zoo’s care.
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Animals Depend On People Too
When you ADOPT an animal, you support world-class animal care by helping to provide specially formulated diets, new habitat elements, and regular veterinary checkups.
Wish List
The Wish List is full of one-of-a-kind items for the zoo’s animals, including nutritious snacks and enrichment items to keep them active and healthy.
Take Action With Us
Wildlife face many daunting challenges—some global, like planet-wide climate change, and some that affect individuals, like an animal ingesting plastic—but now is not the time to despair. None of these problems are too big for us to come together and solve.
