The Reptiles and Amphibians of Utah

Description: Gray, tan, or brown base color often matching the color of the surrounding rock type. Darker brown, gray, or sometimes green blotching or spots on the dorsal. The legs have a barred pattern. Coloration can vary depending on the environment and even on the time of day. The inner thighs and groin area are yellow or orange in color. Large toepads and webbed hind feet.  

Call: A series of low, fast trills that can resemble a sheep and lasting about 2 seconds. The vocal sac is slightly bilobed.

Range and Habitat: This frog occurs through the Colorado Plateau from about the Moab area south. It extends westward into Washington County and Southern Iron County. It inhabits streams and intermittent water sources along rocky canyons with boulders or talus. Despite its common name, this species is typically not found on trees but on rocky surfaces. They are most commonly encountered below 6,000 feet in elevation. 

Size: A small-sized frog averaging 2 inches in length.

Similar Species: This frog is not easily confused with any other species in Utah.