Bullfrogs are enormous creatures with an equally enormous voice. Their loud calls can be heard more than one kilometer away. With a baritone voice, they show their dominance and stake their claim on ...

Gur-ump, gur-ump, gur-ump. A big bullfrog bellows out his call from across the swampy pond. Derek Butler turns the silent, electric trolling motor to our right, and the small jon boat starts sliding ...

Gur-ump, Gur-ump, Gur-ump; a big bullfrog bellows out his call from across the swampy pond. Derek Butler turns the silent, electric trolling motor to our right and the small jon boat starts sliding ...