Rubber Boa
A smooth-scaled snake endemic to the Uinta Mountains of Utah.
About This Species
Upper scales small and smooth (unkeeled), olive green or brown in adult; large scales on top of head; tail blunt, shaped almost like head; pupil vertically elongate (like a cat’s); no long scales on throat; maximum size about 83 cm (33 inches) total length. Male: Usually a spur near each side of vent (spur smaller, or absent, in female). Juvenile: Upper side pinkish to tan.
More Information:
Range
Possible Colorado Distribution: Reported without adequate documentation from Dinosaur National Monument, Moffat County, northwestern Colorado. Occurs in the Uinta Mountains in northeastern Utah.
Habitat
Often in forest openings and meadows associated with stream courses in hills and mountains. Secretive, active on the ground but may climb into vegetation; often takes shelter in burrows or under rock or logs.
Diet
This snake is a constrictor that feeds mainly on small mammals; it sometimes eats reptiles, birds, and invertebrates.
Reproduction
Rubber boas give birth to six to 10 live young, likely in late August or September in this region.