RFPFR7FP–Bullfrog (Rana catesbeianus) or (Lithobates catesbeianus) in a swamp in SW Idaho
RFPMWA5Y–American bullfrog (Lithobates catesbeianus) in a pond
RMR3CWBM–American bullfrog, Lithobates catesbeianus, in Brazilian Watermeal, Wolffia brasiliensis, Oldham County, Kentucky
RMJC0Y4D–American Bullfrog, (Lithobates catesbeianus), Bosque del Apache National Wildlife Refuge, New Mexico, USA.
RMB39JWT–American Bullfrog (Rana catesbeiana, Lithobates catesbeianus), male on grass
RMG2T15B–American Bullfrog, (Lithobates catesbeianus). Tingley Beach Wildlife Management Ponds, Albuquerque, New Mexico, USA.
RMGMBR47–An American bullfrog (Lithobates catesbeianus or Rana catesbeiana) in captivity at the Vancouver Aquarium, in Vancouver, Canada.
RMFXMCN6–American Bullfrog, (Lithobates catesbeianus), Bosque del Apache National Wildlife Refuge, New Mexico, USA.
RF2GNDBMR–American bullfrog (Lithobates catesbeianus) - Pisgah National Forest, Brevard, North Carolina, USA
RMG2027K–Male American Bullfrog, (Lithobates catesbeianus), Bosque del Apache National Wildlife Refuge, New Mexico, USA.
RF2GN11YA–Female American bullfrog (Lithobates catesbeianus) - Pisgah National Forest, Brevard, North Carolina, USA
RMG201RC–Male American Bullfrog, (Lithobates catesbeianus), Bosque del Apache National Wildlife Refuge, New Mexico, USA.
RFTAP8D9–American bullfrog (Lithobates catesbeianus) tadpole under water, Iowa, USA
RM2E0PT5T–Close up of American bullfrog (Lithobates catesbeianus) in freshwater lake of North America
RMH4BCW3–Young American Bullfrog, (Lithobates catesbeianus), Rio Grande Nature Center State Park, Albuquerque, New Mexico, USA.
RF2GN11YN–Female American bullfrog (Lithobates catesbeianus) - Pisgah National Forest, Brevard, North Carolina, USA
RMD9K0DR–American Bullfrom, (Lithobates catesbeianus), Lake Roberts, Gila Wilderness, Grant co., New Mexico, USA.
RMK206DD–Bullfrog ( Lithobates catesbeianus) in duckweed
RMF0HJ7J–American Bullfrog, (Lithobates catesbeianus), Bosque del Apache National Wildlife Refuge, Socorro co., New Mexico, USA.
RFPFR7FD–Bullfrog (Rana catesbeianus) or (Lithobates catesbeianus) in a swamp in SW Idaho
RFPMWA4T–Wild American bullfrog (Lithobates catesbeianus or Rana catesbeiana) in a duckweed-covered pond
RME47DY5–Live Bullfrog, (Lithobates catesbeianus), metamorph amongst dead metamorphs in a drying pool at Bosque del Apache NWR, New Mex.
RM2DD28T5–Bullfrog (Lithobates catesbeianus) sitting on lily pad, freshwater pond, E USA, by Skip Moody/Dembinsky Photo Assoc
RMB39W41–American Bullfrog (Rana catesbeiana, Lithobates catesbeianus), male, studio picture
RM2CWH67N–A large bullfrog (Lithobates catesbeianus/Rana catesbeiana) in a dark swamp at night.
RMGMBR7C–An American bullfrog (Lithobates catesbeianus or Rana catesbeiana) in captivity at the Vancouver Aquarium, in Vancouver, Canada.
RM2G2WYHM–American bullfrog (Lithobates catesbeianus) tadpoles and Western Mosquitofish (Gambusia affinis) both introduced and invasive species in California.
RM2GEC10D–American bullfrog (Lithobates catesbeianus) tadpole resting at the bottom of a California river where this species in introduced and invasive species.
RFW2TED9–Closeup of male American Bullfrog in pond,Ontario,Canada.Scientific name of this frog is Lithobates catesbeianus.
RFW4EJFB–A huge American Bullfrog (Lithobates catesbeianus or Rana catesbeiana) sitting in the mud beside the Middle Fork Gila River, Gila National Forest, New
RFTAP8DK–American bullfrog (Lithobates catesbeianus) tadpole under water, Iowa, USA
RM2E0PT5D–Close up of an American bullfrog (Lithobates catesbeianus) in freshwater lake of North America
RMJGR98W–American bullfrog (Lithobates catesbeianus or Rana catesbeiana) in water stream, Ledges State Park, Iowa, USA.
RF2GN121R–Female American bullfrog (Lithobates catesbeianus) - Pisgah National Forest, Brevard, North Carolina, USA
RF2HA99E5–American bullfrog (Lithobates catesbeianus), in marsh, waiting to ambush prey
RMPF3KBF–American Bullfrog (Lithobates catesbeianus) - Indian Point Trail - Garden of the Gods, Shawnee National Forest, Illinois, USA
RF2FN3CD4–American bullfrog (Lithobates catesbeianus) on cypress knee. Salt Creek Nature Preserve, Cook County, Illinois.
RFPFR7FJ–Bullfrog (Rana catesbeianus) or (Lithobates catesbeianus) in a swamp in SW Idaho
RM2GDBHJG–American bullfrog (Lithobates catesbeianus) with tail still attached resting on a lily pad covered with insects.
RFRW4PC3–American Bullfrog (lithobates catesbeianus) in the swamp
RF2BGA0W8–A male American bullfrog (Lithobates catesbeianus), in the shallow water at the edge of Watsonville Slough in California.
RMB39XCM–American Bullfrog (Rana catesbeiana, Lithobates catesbeianus), male held by hand
RFWAD29H–American Bullfrog (Lithobates catesbeianus) Colorado, USA
RF2EB166G–An American Bullfrog (Lithobates catesbeianus) poses for a portrait while in the marsh pond.
RM2GEC12J–American bullfrog (Lithobates catesbeianus) tadpole resting at the bottom of a California river where this species in introduced and invasive species.
RFWAD1K5–American Bullfrog (Lithobates catesbeianus) Colorado, USA
RMMX5P74–American bullfrog (Lithobates catesbeianus) sitting in a flooded forest at night, there are areas where they are invasive but NC is its native range.
RM2E0PT52–American bullfrog (Lithobates catesbeianus) covered by a leaf in freshwater lake of North America
RFJGR990–American bullfrog (Lithobates catesbeianus or Rana catesbeiana) in water stream, Ledges State Park, Iowa, USA.
RMMP8717–An american bullfrog (Lithobates catesbeianus) from North Carolina. Similar to green frogs, the best way to tell it apart is the dorsolateral fold.
RF2HA99E0–American bullfrog (Lithobates catesbeianus), in marsh, waiting to ambush prey
RMPF3KB9–American Bullfrog (Lithobates catesbeianus) - Indian Point Trail - Garden of the Gods, Shawnee National Forest, Illinois, USA
RFWAD2KW–Up close of American Bullfrog (Lithobates catesbeianus) Colorado, USA
RFPFR7E2–Bullfrog (Rana catesbeianus) or (Lithobates catesbeianus) in a swamp in SW Idaho
RFW2F2RF–Up close of American Bullfrog (Lithobates catesbeianus) Colorado, USA
RFRW4P59–American Bullfrog (lithobates catesbeianus) in the swamp
RF2BGA0DT–A close-up of a male American bullfrog (Lithobates catesbeianus), showing the prominent tympanum. Taken at edge of Watsonville Slough in California
RMB39JW9–American Bullfrog (Rana catesbeiana, Lithobates catesbeianus), male, studio picture
RFKDHBC7–Large green Bullfrog (Lithobates Catesbeianus) swimming in a coastal lagoon
RF2EKJJPA–An American Bullfrog (Lithobates catesbeianus) resting on a log in the marsh and smiling for a portrait in the summer sun.
RF2J3KRHF–American Bullfrog (Lithobates catesbeianus) basks in the warmth of spring sunlight near Astoria, Oregon; Astoria, Oregon, United States of America
RFGGC0YG–American Bullfrog (Lithobates catesbeianus) camouflaged in habtat