Rubber boa - Wikipedia
Rubber Boa Snake (Northern Rubber Boa) Habitat, Diet, Facts
Snakes heidirockney
Northern Rubber Boa - B.C. Reptiles & Amphibians
Amphibians & Reptiles – Hastings Natural History Reservation
Northern Rubber Boa
Northern Rubber Boa - Montana Field Guide
Northern Rubber Boa
Northern Rubber Boa - Charina bottae