San Diego Zoo Global
San Diego Zoo: Boa
This resource provides detailed information about the boa, as well as several pictures and an audio clip.
Canadian Museum of Nature
Canadian Museum of Nature: Boa Constrictor
The boa constrictor is not venomous, but kills its pray by constriction. Described at the boa constrictor's characteristics, young, habitat and pray. Included is one close up image.