National Geographic : 1950 Apr
Q National Geographic Society 4 A Croaking Green Frog Carries On, Uninterrupted by Photography His "kerplunk" call suggests a banjo twanging. Rana clamitans looks like a small Bullfrog (opposite page). Less timid, he lives in ponds and pools from the Mis sissippi Valley to the Atlantic and southern Canada to Florida. Males average two to four inches long. Kodachromes by Arthur A. Allen + A Flash in the Night Catches the Female Staring Wide-eyed at an Intruder Her throat lacks the yellow luster of her mate's; her eardrum, near the eye, is smaller. But female frogs and toads usually average larger than males, probably because of the number of eggs they carry. Like Bull frogs, Green Frogs are almost entirely aquatic.