Shushupi Negra (Black Bushmaster)

Photographer: Jeff
From: Canoeing the Reserva Nacional Pacaya-Samiria

Shushupi Negra (Black Bushmaster)

The most dangerous animal in the forest--a cantaloupe-thick, highly-venomous pit viper. It is the largest venomous snake in the Americas and has fangs as long as 1.4 inches.

http://www.zoo.org/educate/fact_sheets/bushmaster/b_master.htm