CRCritically EndangeredPartial review

Aruba Island Rattlesnake

Crotalus unicolor

At a glance

IUCN category
CR · Critically Endangered
Animal group
Reptiles & Amphibians
Population trend
Decreasing
Last verified

Conservation overview

The Aruba island rattlesnake is a rare rattlesnake found only on the small island of Aruba. It is assessed as Critically Endangered.

It is one of the most range-restricted rattlesnakes in the world.

Range & habitat

The island of Aruba in the Caribbean.

Major threats

Threats below are drawn from the authoritative sources listed on this page. For the current, complete assessment, see the IUCN Red List.

  • Habitat loss to development
  • A tiny range
  • Persecution and road deaths

Why it matters

A rattlesnake confined to a single small island, the Aruba island rattlesnake is a flagship for conserving Aruba's remaining dry wilderness.

Sources

Sources for Aruba Island Rattlesnake

Frequently Asked Questions

Why is the Aruba island rattlesnake so threatened?
It lives only on the small island of Aruba, so habitat loss to development on such a limited area puts the entire species at risk.
Why is it Critically Endangered?
Published assessments cite habitat loss to development, its tiny range, and persecution and road deaths. As a venomous snake it should never be handled. See the IUCN Red List.

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