Living with Gila Monsters - Brochure about Heloderma suspectum from the Tucson Herpetological Society. tucsonherpsociety.org/gila.html
Sonoran Lizards - The Gila Monster - General information and a look at the natural habitat of Heloderma suspectum presented by BioPark International, Inc. biopark.org/lizards.html
Dr. Seward's Gila Monster Web - Comprehensive resource on the natural history, captive husbandry, and reproductive biology of the Gila Monster (Heloderma suspectum). www.drseward.com
