Plural of 'bullfrog': large, deep-voiced frogs native to North America, named for their loud, bull-like croaking sounds.
From 'bullfrog' (bull + frog), named for the male's distinctive deep croak that resembles a bull's bellow. These large frogs are native to eastern North America.
A bullfrog's call is literally its mating advertisement—the deeper and louder the 'jug-o-rum' sound, the more attractive it is to females, and males with bigger bodies make deeper sounds!
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