Suzi Eszterhas / Hog-nosed Pit Viper (Bothrops nasutus) Northern Costa Rica, Central America

Michael & Patricia Fogden / Hog-nosed Pit Viper (Porthidium nasutus) swallowing a Rain Frog (Eleutherodactylus sp) note use of fangs to manipulate frog into mouth, rainforest, Costa Rica

Michael & Patricia Fogden / Hog-nosed Pit Viper (Porthidium nasutus) swallowing a Rain Frog (Eleutherodactylus sp) note use of fangs to manipulate frog into mouth, rainforest, Costa Rica

Michael & Patricia Fogden / Hog-nosed Pit Viper (Bothrops nasutus) predating Middleamerican Ameiva (Ameiva festiva) lizard note the use of fangs to manipulate prey into snake's mouth, rainforest, Costa Rica

Michael & Patricia Fogden / Hog-nosed Pit Viper (Bothrops nasutus) female giving birth to live young, rainforest Costa Rica

Michael & Patricia Fogden / Hog-nosed Pit Viper (Bothrops nasutus) defensive throat display, rainforest, Costa Rica

Michael & Patricia Fogden / Hog-nosed Pit Viper (Bothrops nasutus) venomous female with her three young on rainforest floor, Costa Rica