Bullfrog as Invasive? Depends on Where You Live – Great Ecology
American Bullfrog Tadpole
LIFE 3n-Bullfrog Agentschap voor Natuur en Bos
Lithobates catesbeianus – American Bullfrog
American bullfrog / Ouaouaron
Adult male American bullfrog (© Jan Van Der Voort).
Discover Nature: American Bullfrog
An invasive American bullfrog with tracking device.
Kansas Herpetofaunal Atlas
American Bullfrog
American bullfrog - Invasive Species Council of British Columbia
American Bullfrog (Lithobates catesbeianus) Dimensions & Drawings
American Bullfrog: Invasive Species Spotlight
Giant American Bullfrog Caught By Hand