California Red-Legged Frog
Information about Rana aurora draytonii, a threatened frog of the western US.
Family Ranidae
Classification, information, pictures, and sounds. From the Animal Diversity Web.
Rana muscosa (Mountain Yellow-legged Frog)
Photos of this species and its habitat.
Water Frog Information Pool
Information about several species and hybrids in the genus Rana.