Iguanas on Mexico’s Clarion Island likely native, not introduced by people: Study

Mongabay
Nov 12, 2025, 7:48 am64 pts
Researchers have long speculated that humans introduced spiny-tailed iguanas to Mexico’s remote Clarion Island about 50 years ago. However, a recent study suggests the Clarion iguanas are likely native to the island, arriving long before human colonization of the Americas. Clarion Island is the westernmost…

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