Habitat: Most common in lowland moist and wet forests, but also occurs in premontane moist and wet forests, rainforests, and lowland dry forests.

Biology: Diurnal. Commonly seen in shrubbery and trees.

Food: Mainly frogs, but also arboreal lizards, grasshoppers, birds, and birds' eggs.

Note: When frightened, raises anterior part of body, opens mouth, and hisses. Will inflate neck region if threat continues.

Source: Savage, Jay M. 2002. The Amphibians and Reptiles of Costa Rica. The University of Chicago Press, Chicago. 935pp.