Dan Suzio Photography

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  • Tadpole of Amargosa toad, Bufo nelsoni.  The species is described as sensitive and imperiled by the State of Nevada and U.S. Bureau of Land Management, but is not listed as an Endangered Species.  Oasis Valley, near Beatty, Nevada
    07100886-amargosa-toad.jpg
  • Tadpoles of Amargosa toad, Bufo nelsoni.  The species is described as sensitive and imperiled by the State of Nevada and U.S. Bureau of Land Management, but is not listed as an Endangered Species.  Oasis Valley, near Beatty, Nevada
    07100705-amargosa-toad.jpg
  • Rough-skinned newt, Taricha granulosa, in larval stage. Mendocino County, California
    06211174-newt.jpg
  • Rough-skinned newt, Taricha granulosa, in larval stage. Mendocino County, California
    06211165-newt.jpg
  • Metamorphosing black-spined toad, Duttaphrynus melanostictus. Toadlet has four legs and is able to breathe air and walk on land, but has not fully resorbed its tail. Photographed on a US dime to show its size. Dili District, Timor-Leste (East Timor).
    10040654-toad.jpg
  • Tadpole of black-spined toad, Duttaphrynus melanostictus, with four legs.  Dili District, Timor-Leste (East Timor).
    10040648-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana.  A week after hatching, the tadpole is about 8mm long and has developed the familiar head-and-tail shape.  The skin is semi-transparent.
    05150195-bullfrog-tadpole.jpg
  • Tadpole of black-spined toad, Duttaphrynus melanostictus, with hind legs.  Dili District, Timor-Leste (East Timor).
    10040641-tadpole.jpg
  • Tadpole of Amargosa toad, Bufo nelsoni.  The species is described as sensitive and imperiled by the State of Nevada and U.S. Bureau of Land Management, but is not listed as an Endangered Species.  Oasis Valley, near Beatty, Nevada
    07100903-amargosa-toad.jpg
  • Tadpole of Amargosa toad, Bufo nelsoni.  The species is described as sensitive and imperiled by the State of Nevada and U.S. Bureau of Land Management, but is not listed as an Endangered Species.  Oasis Valley, near Beatty, Nevada
    07100894-amargosa-toad.jpg
  • Tadpoles of Amargosa toad, Bufo nelsoni.  The species is described as sensitive and imperiled by the State of Nevada and U.S. Bureau of Land Management, but is not listed as an Endangered Species.  Oasis Valley, near Beatty, Nevada
    07100865-amargosa-toad.jpg
  • Tadpole of Amargosa toad, Bufo nelsoni.  The species is described as sensitive and imperiled by the State of Nevada and U.S. Bureau of Land Management, but is not listed as an Endangered Species.  Oasis Valley, near Beatty, Nevada
    07100852-amargosa-toad.jpg
  • Tadpoles of Amargosa toad, Bufo nelsoni.  The species is described as sensitive and imperiled by the State of Nevada and U.S. Bureau of Land Management, but is not listed as an Endangered Species.  Oasis Valley, near Beatty, Nevada
    07100703-amargosa-toad.jpg
  • Rough-skinned newt, Taricha granulosa, in larval stage. Mendocino County, California
    06211175-newt.jpg
  • Rough-skinned newt, Taricha granulosa, in larval stage. Mendocino County, California
    06211169-newt.jpg
  • Rough-skinned newt, Taricha granulosa, in larval stage. Mendocino County, California
    06211168-newt.jpg
  • Metamorphosing black-spined toad, Duttaphrynus melanostictus, on the photographer's index finger.  Toadlet has four legs and is able to breathe air and walk on land, but has not fully resorbed its tail.  Dili District, Timor-Leste (East Timor).
    10040660-toad.jpg
  • Metamorphosing black-spined toad, Duttaphrynus melanostictus, on the photographer's index finger.  Toadlet has four legs and is able to breathe air and walk on land, but has not fully resorbed its tail.  Dili District, Timor-Leste (East Timor).
    10040659-toad.jpg
  • Metamorphosing black-spined toad, Duttaphrynus melanostictus. Toadlet has four legs and is able to breathe air and walk on land, but has not fully resorbed its tail. Photographed on a US dime to show its size. Dili District, Timor-Leste (East Timor).
    10040656-toad.jpg
  • Tadpoles of black-spined toad, Duttaphrynus melanostictus. Dili District, Timor-Leste (East Timor).
    10040636-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana.  Ten days after hatching, the tadpole is about 8mm long. The skin is semi-transparent.
    05150211-bullfrog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana.  A week after hatching, the tadpole is about 8mm long and has developed the familiar head-and-tail shape. The skin is semi-transparent, and internal organs are visible.
    05150193-bullfrog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana.  A week after hatching, the tadpole is about 8mm long and has developed the familiar head-and-tail shape.  The skin is semi-transparent.
    05150148-bullfrog-tadpole.jpg
  • Tadpoles of Amargosa toad, Bufo nelsoni.  The species is described as sensitive and imperiled by the State of Nevada and U.S. Bureau of Land Management, but is not listed as an Endangered Species.  Oasis Valley, near Beatty, Nevada
    07100778-amargosa-toad.jpg
  • Tadpoles of Amargosa toad, Bufo nelsoni.  The species is described as sensitive and imperiled by the State of Nevada and U.S. Bureau of Land Management, but is not listed as an Endangered Species.  Oasis Valley, near Beatty, Nevada
    07100706-amargosa-toad.jpg
  • Tadpoles of Amargosa toad, Bufo nelsoni.  The species is described as sensitive and imperiled by the State of Nevada and U.S. Bureau of Land Management, but is not listed as an Endangered Species.  Oasis Valley, near Beatty, Nevada
    07100701-amargosa-toad.jpg
  • Tadpoles of black-spined toad, Duttaphrynus melanostictus. Dili District, Timor-Leste (East Timor).
    10040634-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana.  A week after hatching, the tadpole is about 8mm long and has developed the familiar head-and-tail shape.  The skin is semi-transparent.
    05150173-bullfrog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana.  A week after hatching, the tadpole is about 8mm long and has developed the familiar head-and-tail shape.  The skin is semi-transparent.
    05150143-bullfrog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana.  Immediately after hatching, the tadpole is about 5mm long and still has the appearance of an embryo.
    05150119-bullfrog-tadpole.jpg
  • Egg and newly-hatched tadpoles of American bullfrog, Rana catesbeiana.  Immediately after hatching, the tadpole is about 5mm long and still has the appearance of an embryo.
    05150035-bullfrog-tadpole.jpg
  • Tadpole of Amargosa toad, Bufo nelsoni.  The species is described as sensitive and imperiled by the State of Nevada and U.S. Bureau of Land Management, but is not listed as an Endangered Species.  Oasis Valley, near Beatty, Nevada
    07100896-amargosa-toad.jpg
  • Rough-skinned newt, Taricha granulosa, in larval stage. Mendocino County, California
    06211179-newt.jpg
  • Rough-skinned newt, Taricha granulosa, in larval stage. Mendocino County, California
    06211161-newt.jpg
  • Metamorphosing black-spined toad, Duttaphrynus melanostictus. Toadlet has four legs and is able to breathe air and walk on land, but has not fully resorbed its tail.   Dili District, Timor-Leste (East Timor).
    10040652-toad.jpg
  • Tadpole of American bullfrog, Rana catesbeiana.  Immediately after hatching, the tadpole is about 5mm long and still has the appearance of an embryo.
    05150112-bullfrog-tadpole.jpg
  • Egg and newly-hatched tadpoles of American bullfrog, Rana catesbeiana.  Immediately after hatching, the tadpole is about 5mm long and still has the appearance of an embryo.
    05150031-bullfrog-tadpole.jpg
  • Rough-skinned newt, Taricha granulosa, in larval stage. Mendocino County, California
    06211176-newt.jpg
  • Metamorphosing black-spined toad, Duttaphrynus melanostictus. Toadlet has four legs and is able to breathe air and walk on land, but has not fully resorbed its tail. Photographed on a US dime to show its size. Dili District, Timor-Leste (East Timor).
    10040658-toad.jpg
  • Tadpole of American bullfrog, Rana catesbeiana.  Ten days after hatching, the tadpole is about 8mm long. The skin is semi-transparent.
    05150200-bullfrog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana.  Immediately after hatching, the tadpole is about 5mm long and still has the appearance of an embryo.
    05150098-bullfrog-tadpole.jpg
  • American bullfrog, Rana catesbeiana, with partial tail. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06190066.jpg
  • Tadpole of California red-legged frog, Rana aurora draytonii, Contra Costa County, California. Complete life cycle available, including eggs, tadpoles, metamorphs, froglets, and adults. Red-legged frogs were once abundant throughout California, and were the inspiration for Mark Twain's classic The Celebrated Jumping Frog of Calaveras County. Now, after more than a century of habitat destruction, water pollution, suburban sprawl, and predation by non-native bullfrogs, they've been reduced to a number of scattered, unconnected populations. Federally listed as a Threatened Species.
    06100064-red-legged-frog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, Northern California. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06100023-bullfrog-tadpole.jpg
  • American bullfrog, Rana catesbeiana, with partial tail. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06190022.jpg
  • Tadpole of California red-legged frog, Rana aurora draytonii, in duckweed, Lemna sp. Contra Costa County, California. Complete life cycle available, including eggs, tadpoles, metamorphs, froglets, and adults. Red-legged frogs were once abundant throughout California, and were the inspiration for Mark Twain's classic The Celebrated Jumping Frog of Calaveras County. Now, after more than a century of habitat destruction, water pollution, suburban sprawl, and predation by non-native bullfrogs, they've been reduced to a number of scattered, unconnected populations. Federally listed as a Threatened Species.
    06100159-red-legged-frog-tadpole.jpg
  • Tadpole of California red-legged frog, Rana aurora draytonii, in duckweed, Lemna sp. Contra Costa County, California. Complete life cycle available, including eggs, tadpoles, metamorphs, froglets, and adults. Red-legged frogs were once abundant throughout California, and were the inspiration for Mark Twain's classic The Celebrated Jumping Frog of Calaveras County. Now, after more than a century of habitat destruction, water pollution, suburban sprawl, and predation by non-native bullfrogs, they've been reduced to a number of scattered, unconnected populations. Federally listed as a Threatened Species.
    06100141-red-legged-frog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, Northern California. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06100029-bullfrog-tadpole.jpg
  • Red-eyed Treefrog, Agalychnis callidryas, metamorph emerging from a pond in  Sarapiquí, Costa Rica
    17050375.jpg
  • Egg mass of Red-eyed Treefrog, Agalychnis callidryas, on a leaf in Sarapiquí, Costa Rica
    17050374.jpg
  • Blue-sided treefrog, Agalychnis annae, also known as the Golden-eyed Treefrog, Coffee Frog, or Monkey Frog, an endangered species. A small population has been established in the gardens of the Hotel Bougainvillea, Santo Domingo de Heredia, Costa Rica
    17050056.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with hind legs beginning to develop. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06140305-bullfrog-tadpole.jpg
  • American bullfrog, Rana catesbeiana, with partial tail. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06190076.jpg
  • American bullfrog, Rana catesbeiana, with partial tail. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06190012.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with four legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180183.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with four legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180168.jpg
  • Owl Butterflies, Caligo sp., hang from chrysalises in the butterfly garden (mariposario) at Restaurante Selva Tropical, Guapiles, Costa Rica
    17050084.jpg
  • Egg mass of Red-eyed Treefrog, Agalychnis callidryas, on a leaf in Sarapiquí, Costa Rica
    17050373.jpg
  • Blue-sided treefrog, Agalychnis annae, also known as the Golden-eyed Treefrog, Coffee Frog, or Monkey Frog, an endangered species. A small population has been established in the gardens of the Hotel Bougainvillea, Santo Domingo de Heredia, Costa Rica
    17050058.jpg
  • Blue-sided treefrog, Agalychnis annae, also known as the Golden-eyed Treefrog, Coffee Frog, or Monkey Frog, an endangered species. A small population has been established in the gardens of the Hotel Bougainvillea, Santo Domingo de Heredia, Costa Rica
    17050057.jpg
  • Sierra newt (California newt), Taricha torosa sierrae, larval stage. Sierra National Forest, California. Complete newt life cycle available, including mating, egg-laying, eggs with developing embryos, larval newts, and adults in summer and winter.
    1513-22.jpg
  • American bullfrog, Rana catesbeiana, with partial tail. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06190047.jpg
  • American bullfrog, Rana catesbeiana, with partial tail. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06190026.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with four legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180188.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with four legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180156.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with hind legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180128.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with four legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180095.jpg
  • Tadpole of California red-legged frog, Rana aurora draytonii.  Contra Costa County, California. Complete life cycle available, including eggs, tadpoles, metamorphs, froglets, and adults. Red-legged frogs were once abundant throughout California, and were the inspiration for Mark Twain's classic The Celebrated Jumping Frog of Calaveras County. Now, after more than a century of habitat destruction, water pollution, suburban sprawl, and predation by non-native bullfrogs, they've been reduced to a number of scattered, unconnected populations. Federally listed as a Threatened Species.
    06070010-red-legged-frog-tadpole.jpg
  • Tadpole of blue-sided treefrog or coffee frog, Agalychnis annae, an endangered species.  A small population has been established in the gardens of the Hotel Bougainvillea, San Jose, Costa Rica.
    09060218-blue-sided-treefrog-tadpole.jpg
  • Owl Butterfly, Caligo sp., hangs from a chrysalis in the butterfly garden (mariposario) at Restaurante Selva Tropical, Guapiles, Costa Rica
    17050085.jpg
  • Carterpillar of Owl Butterfly, Caligo sp., in the butterfly garden (mariposario) at Restaurante Selva Tropical, Guapiles, Costa Rica
    17050081.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with hind legs beginning to develop. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06140307-bullfrog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with hind legs beginning to develop. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06140303-bullfrog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with hind legs beginning to develop. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06140299-bullfrog-tadpole.jpg
  • American bullfrog, Rana catesbeiana, with partial tail. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06190084.jpg
  • American bullfrog, Rana catesbeiana, with partial tail. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06190077.jpg
  • American bullfrog, Rana catesbeiana, with partial tail. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06190068.jpg
  • American bullfrog, Rana catesbeiana, with partial tail. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06190040.jpg
  • American bullfrog, Rana catesbeiana, with partial tail. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06190020.jpg
  • American bullfrog, Rana catesbeiana, with partial tail. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06190019.jpg
  • American bullfrog, Rana catesbeiana, with partial tail. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06190010.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with hind legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180192.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with four legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180177.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with hind legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180137.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with hind legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180122.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with four legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180107.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with four legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180096.jpg
  • Tadpole of American bullfrog, Rana catesbeiana.  About the time the front legs emerge, the small round mouth of the tadpole widens and transforms into that of an adult frog.  Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180059.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with four legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180049.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with hind legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180045.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, with hind legs. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180041.jpg
  • Tadpole of American bullfrog, Rana catesbeiana.  As it transforms into a frog, the tadpole's round mouth, adapted for feeding on plants, will gradually widen and take on a shape more suitable for a predator.  Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06180014.jpg
  • Tadpole of California red-legged frog, Rana aurora draytonii, in duckweed, Lemna sp. Contra Costa County, California. Complete life cycle available, including eggs, tadpoles, metamorphs, froglets, and adults. Red-legged frogs were once abundant throughout California, and were the inspiration for Mark Twain's classic The Celebrated Jumping Frog of Calaveras County. Now, after more than a century of habitat destruction, water pollution, suburban sprawl, and predation by non-native bullfrogs, they've been reduced to a number of scattered, unconnected populations. Federally listed as a Threatened Species.
    06100080-red-legged-frog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, Northern California. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06100043-bullfrog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, Northern California. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06100037-bullfrog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, Northern California. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06100003-bullfrog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, Northern California. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06070021-bullfrog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, Northern California. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06070020-bullfrog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, Northern California. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06070017-bullfrog-tadpole.jpg
  • Tadpole of American bullfrog, Rana catesbeiana, Northern California. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have seriously depleted native frog populations in many areas of the West.
    06010164-bullfrog-tadpole.jpg
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