California tree frog on Rattlesnake Gulch trail, Joshua Tree.
Calling from the pond.
This frog was right outside the nature center by the employee lot. He climbed up on the wall of the building.
The California tree frog or California chorus frog (Pseudacris cadaverina) is a "true" tree frog (family Hylidae) from southern California (USA) and Baja California (Mexico). Until recently, the California tree frog was classified in the genus Hyla.