Western basilisk | |
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The head of a western basilisk. | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Order: | Squamata |
Suborder: | Iguania |
Family: | Corytophanidae |
Genus: | Basiliscus |
Species: | B. galeritus |
Binomial name | |
Basiliscus galeritus A.M.C. Duméril & A.H.A. Duméril, 1851 | |
The western basilisk, or red-headed basilisk (Basiliscus galeritus), is a large species of lizard in the family Corytophanidae. The species is endemic to northwestern South America.
The specific name, galeritus, which is Latin, means "wearing a hood", referring to the head crest. [2]
B. galeritus inhabits forests at altitudes of 0–1,600 m (0–5,249 ft) in western Colombia and western Ecuador in South America. [3] Earlier reports of its occurrence in Central America are mistaken and actually refer to young of the closely related common basilisk. [4] [5]
The western basilisk is common and not threatened. [3]
Males of B. galeritus reach a total length (including tail) up to about 77.5 cm (30.5 in), while females reach about 63.5 cm (25.0 in). [3] Its body color is olive-green with a reddish-brown underbelly. The throat is white to yellow. On the back it has a small crest similar to that of young individuals of the common basilisk. It may have a narrow white stripe or a row of white dots on each side. It has no back flap. The adult males bear a round head flap/crest.
The western basilisk has been introduced to Gorgona Island, Colombia. This species is not native to the island, and thus, is endangering native species that reside on the island, such as the endemic blue anole (Anolis gorgonae).
Basiliscus is a genus of large corytophanid lizards, commonly known as basilisks, which are endemic to southern Mexico, Central America, and northern South America. The genus contains four species, which are commonly known as the Jesus Christ lizard, or simply the Jesus lizard, due to their ability to run across water for significant distances before sinking due to the large surface area of their feet.
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