Melvin Grey / Side-striped palm pit viper (Bothriechis lateralis) adult, Costa Rica

Daniel Heuclin / Side-stripped palm pitviper (Botriechis lateralis) captive from Costa-Rica

Michael D. Kern / Side-Striped Palm Viper (Bothriechis lateralis) captive from Central America

John Cancalosi / Side-striped Palm-pitviper (Bothriechis lateralis) coiled in strike pose. Costa Rica. Captive.

John Cancalosi / Side-striped Palm-pitviper (Bothriechis lateralis) coiled in strike pose with tongue extended. Costa Rica. Captive.

John Cancalosi / Side-striped Palm-pitviper (Bothriechis lateralis) coiled in strike pose. Costa Rica. Captive.

John Cancalosi / Side-striped Palm-pitviper (Bothriechis lateralis) coiled in strike pose. Costa Rica. Captive.

John Cancalosi / Side-striped Palm-pitviper (Bothriechis lateralis) coiled in strike pose. Costa Rica. Captive.

Michael D. Kern / Palm Viper snake {Bothreichis supraciliaris} captive, Central America

Phil Savoie / Green palm viper {Bothrops lateralis} Monteverde cloud forest, Costa Rica

Doug Wechsler / Green palm viper {Bothrops lateralis} Central America

Michael & Patricia Fogden / Green Palm Viper (Bothriechis lateralis) close-up, partially coiled, Monteverde Cloud Forest Reserve, Costa Rica