Urutu Snake
Bothrops alternatus
Opossum, amphibians, and small rodents
Global warming and habitat destruction
Triangle-shaped head
Rainforests and humid regions of Brazil, Argentina, Paraguay, and Uruguay
Yarará grande, víbora de la cruz, urutu, wutu, crossed pit viper
15.2 years
31 to 67 inches
Humans capture them for the pet trade