This is another view of the eyelash pit viper we encountered in the tropical jungle. We stayed a safe distance, so I did not try to get a closer photo of his head.
Eyelash pit vipers sound especially scary because they are found in exotic tropical jungles. Actually, pit vipers are the type of snakes to which most of the poisonous snakes of the Western Hemisphere belong. They are found from Canada to Argentina. Rattlesnakes, copperheads and water moccasins of the USA and Canada are types of pit vipers.
They get their name of pit vipers because they have a pit that is sensitive to heat between their eyes and nostrils. While most snakes lay eggs, pit vipers give birth to up to 20 live snakes, about .3 meters (1 foot) long, complete with fangs and venom.