Genus Bothriechis

Yellow-blotched Palm Pit Viper - Adults generally grow to less than 70 cm in length, but sometimes to over 1 m.

 

Guatemala Palm Pit Viper - Adults are usually 60-70 cm in length, but may reach 100 cm, and the body is relatively slender.

 

Rowley's Palm Pit Viper - Adults grow to at least 97.

Order : Squamata
Family : Viperidae
Genus : Bothriechis