Anole Consumption By West Indian Snakes

Caicos Dwarf Boa (Tropidophis greenway) eating an Anolis scriptus. Photo by Matthew Niemiller.

Neotropical snake and Caribbean expert Bob Henderson writes: “In going over some prey data for a chapter on diet and foraging in species of Corallus and the dramatic dichotomy between West Indian and mainland Corallus, I came up with some numbers you might find interesting.

I recovered 970 vertebrate prey items from West Indian snakes. Of those, 559 (57.6%) were anoles. The next closest prey genus was Eleutherodactylus (129; 13.3%).

Among ground dwelling or largely ground-dwelling species (tropes, colubrids, dipsadids), anoles accounted for 54.1% of their prey. Among arboreal snakes (Corallus, Hispaniolan Epicrates, and Uromacer), anoles accounted for 64.1%.

I suspect there are very few West Indian macrostomatan snakes that do not include anoles in their diets at some time during their lives.”

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Jonathan Losos

Professor of Biology and Director of the Living Earth Collaborative at Washington University in Saint Louis. I've spent my entire professional career studying anoles and have discovered that the more I learn about anoles, the more I realize I don't know.

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