For much of Sonora, Mexico, our scientific knowledge of reptile and amphibian communities
is limited. Despite public interest in the state's remarkable diversity, records and inventories …

during our observation, which landed on the tail of the snake for a few seconds. In fact,
individuals of this same species of bird were the most aggressive, making faster movements …

Diagnosis Diagnosis (constrictor in Honduras):“Boa constrictor differs from all other
Honduran snakes by the combination of having enlarged ventral scales that do not extend …