NNTRC Snakes

Scientific Name

Bothrops colombiensis

Common Name 

Colombian Lancehead Viper

Physical Characteristics

Average adult size is 20-48 inches (51-121 cm). A dark-colored, heavy-bodied snake.

Geographic Range (South America)

Colombia, and southwestern Venezuela

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These snakes prefer tropical rainforest and evergreen forest, but it can also be found in drier areas of tropical deciduous forest, rivers and streams.


Fish, frogs, snakes, lizards, birds, and small mammals.


Hemorrhagic Venom


These snakes normally are nocturnal, but are found on occasion during the daytime. They are also very passive and avoid contact. 

This page was last updated on: May 16, 2018