American Bullfrog

A large frog, light green to dark olive green above, with dark spots and blotches. Juveniles have many small dark spots. Sometimes light green only on the upper jaw. Cream to yellow below with grey marbling on larger individuals. No dorsolateral folds. A short fold extends from the eye over and past the eardrum to the forearm. Conspicuous tympanum. Males have tympanums larger than their eyes and a yellow throat.

Tadpoles are greenish yellow with small spots, growing up to 6 in. (15.3 cm).