Common name: Leopard Frog
Size: 2-4.25 in (5-11.1 cm)
INTRODUCED: Native to majority of the U.S.
Distinguishing characters: A moderate species with well defined dorsolateral folds; white below; brown, grey, olive or green color on dorsum with oval or round dark spots; whitish border above upper jaw.
Juveniles: Less pronounced dorsal spotting.
Dimorphism: Male has enlarged thumbs during breeding season.
Similar species: Hyla regilla: Has toe pads. Rana catesbeiana: Lacks dorsolateral folds; has plain, unicolored dorsum. Rana boylii: Lacks dorsolateral folds; has pale triangle on snout. Rana muscosa: Lacks dorsolateral folds; has yellow underside of legs; smoother skin; dark-tipped toes. Rana aurora: Has less distinct dorsolateral folds; spotted with less uniform pattern; less pointed snout; red or yellow under hind legs.
Additional notes: Known from Santa Ana River (Prado Basin), uncommon or rare elsewhere in study area.
Return to Frogs and Toads