American Bullfrog (Lithobates catesbeianus) - Indian Point Trail - Garden of the Gods, Shawnee National Forest, Illinois, USA
RMPF3KBFAmerican Bullfrog (Lithobates catesbeianus) - Indian Point Trail - Garden of the Gods, Shawnee National Forest, Illinois, USA
A close-up of a male American bullfrog (Lithobates catesbeianus), showing the prominent tympanum. Taken at edge of Watsonville Slough in California
RF2BGA0DTA close-up of a male American bullfrog (Lithobates catesbeianus), showing the prominent tympanum. Taken at edge of Watsonville Slough in California
Male Bullfrog (Rana catesbeiana), Killarney Provincial Park, Ontario
RME1TYK1Male Bullfrog (Rana catesbeiana), Killarney Provincial Park, Ontario
Two Closeup Focus Stacked Images of a Large American Bullfrog Held, Isolated on White
RF2CB83MKTwo Closeup Focus Stacked Images of a Large American Bullfrog Held, Isolated on White
Bullfrog
RMCX1RD3Bullfrog
American Bullfrog (Rana catesbeiana, Lithobates catesbeianus), male
RMB39JPJAmerican Bullfrog (Rana catesbeiana, Lithobates catesbeianus), male
American bullfrog on log
RFB0E40KAmerican bullfrog on log
American bullfrog (Lithobates catesbeianus) full profile with vivid eyes - male
RFGAD256American bullfrog (Lithobates catesbeianus) full profile with vivid eyes - male
Bullfrog Rana catesbeiana adult in duckweed camouflaged Welder Wildlife Refuge Sinton Texas USA May 2005
RFBBM8KXBullfrog Rana catesbeiana adult in duckweed camouflaged Welder Wildlife Refuge Sinton Texas USA May 2005
A Bull Frog relaxing on the edge of a lake
RFM4N44WA Bull Frog relaxing on the edge of a lake
American Bullfrog (Lithobates catesbeianus) from Socorro County, New Mexico, USA.
RFPE44XAAmerican Bullfrog (Lithobates catesbeianus) from Socorro County, New Mexico, USA.
Male Eastern American toad (Bufo americanus a.) singing in spring
RMD7DYPAMale Eastern American toad (Bufo americanus a.) singing in spring