The African bullfrog (Pyxiecephalus adspersus) is one of the largest frogs in Africa. Adult males may reach 9 inches or more (23 cm). Females are much smaller. In nearly all species of frogs, the female is larger than the male. It is a stout frog with a large head. Mouth is large. The inner toes of the hind legs have a callus that is sharp and tough, it is used for digging. There is little webbing on the feet.
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