El Cantil (Agkistrodon bilineatus) is a species of venomous snake belonging to the subfamily of snakes fossa. Its range includes Mexico and Central America, where it inhabits dry forest, tropical deciduous forest, thorn forest and savanna. He also lives in riparian vegetation and farmland and pastures. It feeds on a wide range of small vertebrates. There are three subspecies that inhabit coastal areas of Mexico and Central America.