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
The IUCN doesn’t have enough recent data to determine the endangered status of the Aruba Island rattlesnake, which was listed as critically endangered until 2021.
Interesting Fact 2
Aruba Island rattlesnakes use their tail rattle to warn off predators.
Interesting Fact 3
Although their venom is life-threatening to humans, these non-aggressive snakes are not categorized as dangerous because they only bite when provoked.
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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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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.