Bothriechis schlegelii is a venomous pitviper species found in Central and South America. Small and arboreal, these snakes are characterized by their wide array of color variations, as well as the superciliary scales over the eyes. Often present in zoological exhibits. Named after the German ornithologist, Hermann Schlegel. No subspecies are currently recognized.
This is a relatively small species that rarely exceed 75 cm (2.5 feet) in length, with females being larger than males. They have a wide, triangular-shaped head, and eyes with vertical pupils. Like all pit vipers, they are solenoglyphous, having large, hypodermic needle-like fangs in the upper jaw that fold back when not in use, and have heat sensitive organs, or pits, located on either side of the head between the eye and nostril.
Its most distinguishing feature, and origin of its common name, is the set of modified scales over the eyes that look much like eyelashes. The eyelashes are thought to aid in camouflage, breaking up the snake's outline among the foliage it usually hides in. B. schlegelii occurs in a wide range of colors, including red, yellow, brown, green, even pink, as well as various combinations therof. They often have black or brown speckling on the base color.
Common names
Eyelash viper, eyelash mountain viper, Schlegel's viper, Schlegel's palm viper, eyelash snake, horned palm viper. eyelash pit viper, Schlegel's pit viper. eyelash palm-pitviper. Also known as Bocaracá in Costa Rica and other Latin American countries.
Geographic range
Its range extends from southern Mexico (northern Chiapas), southeastward on the Atlantic slope and lowlands through Central America to northern South America in Colombia and Venezuela. Also found on the Pacific versant and lowlands in parts of Costa Rica, Panama, Colombia, Ecuador and Peru. Occurs in mesic forest at elevations almost from sea level to 2640 m altitude. The type locality is "Popayan"(Popayán, Colombia).
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