Amphibians Bullfrogs Live - Live Vertebrates

Fish not biting? Go bullfrogging!

WISC - Washington Invasive Species Council

American Bullfrog (Lithobates catesbeianus) - Species Profile

Amphibians

American Bullfrog Missouri Department of Conservation

Bullfrogs of Louisiana - HubPages

Bullfrog

American bullfrogs may be threatening a rare frog species in Brazil

Kansas Herpetofaunal Atlas

Recovery: A Plague of Bullfrogs