Black Spiny-tailed Iguana (Ctenosaura similis), Chichen Itza, Yucatan, Mexico, North America

Black spiny tailed Iguana (Ctenosaur similis) crawling, Manuel Antonio National Park, Puntarenas Province, Costa Rica, Central America

Black Spiny-tailed iguana (Ctenosaura similis), on New River near Lamanai, Belize

Adult San Esteban spiny-tailed iguana (Ctenosaura conspicuosa), endemic to Isla San Esteban, Baja California, Mexico, North America

Adult San Esteban spiny-tailed iguana (Ctenosaura conspicuosa), endemic to Isla San Esteban, Baja California, Mexico, North America

Black Spiny Tailed Iguana Lizard (Ctenosaura similis), Manuel Antonio National Park Beach, Pacific Coast, Costa Rica, Central America

Black Spiny Tailed Iguana Lizard (Ctenosaura similis), Manuel Antonio National Park Beach, Pacific Coast, Costa Rica, Central America

An adult black spiny-tailed iguana (Ctenosaura similis) basking in the sun, Caletas, Costa Rica, Central America

Tourists photographing a Black Spiny Tailed Iguana Lizard (Ctenosaura similis), Manuel Antonio National Park, Costa Rica, Central America