Bengt Lundberg / Yellow lady's slipper orchid {Cypripedium calceolus} Sweden
01362262
LYNN M. STONE / Bullfrog (Rana catesbeiana) with head sticking out above water in pond, Deep River, Connecticut, USA, July
01144365
Rolf Nussbaumer / RF- Bullfrog (Rana catesbeiana) adult on American lotus lilypad. Welder Wildlife Refuge, Sinton, Texas, USA. (This image may be licensed either as rights managed or royalty free.)
01144367
Rolf Nussbaumer / Close-up of a Bullfrog eye {Rana catesbeiana} with head camouflaged in duckweed, Welder Wildlife Refuge, Sinton, Texas, USA.
01071808
Doug Wechsler / Bullfrog male in garden pond {Rana catesbeiana} Pennsylvania, USA.
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Doug Wechsler / Bullfrog female by garden pond {Rana catesbeiana} Pennsylvania, USA
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LYNN M. STONE / Bullfrog (Rana catesbeiana) on edge of pond, Connecticut, USA
01322280
LYNN M. STONE / Bullfrog (Rana catesbeiana) on edge of pond, Connecticut, USA
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Rolf Nussbaumer / RF- Head portrait of Bullfrog (Rana catesbeiana) partially submerged in lake, Fennessey Ranch, Refugio, Coastal Bend, Texas Coast, USA. (This image may be licensed either as rights managed or royalty...
01275530
Doug Wechsler / Bullfrog (Rana catesbeiana) male, in man-made pond, Farimount Park, Wissahickon Creek, Philadelphia, Pennsylvania, USA
01275529
Doug Wechsler / Bullfrog (Rana catesbeiana) male, in man-made pond, Farimount Park, Wissahickon Creek, Philadelphia, Pennsylvania, USA
01265327
Gerrit Vyn / Bullfrog (Rana catesbeiana) partially submerged in a pond. August. Tompkins County, New York
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Nature Production / Bullfrog {Rana catesbeiana} tadpole (110mm in length) sequence 6/8
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Nature Production / Bullfrog {Rana catesbeiana} tadpole (52mm in length) sequence 5/8
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Nature Production / Bullfrog {Rana catesbeiana} tadpole (34mm in length) sequence 4/8
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Nature Production / Bullfrog {Rana catesbeiana} tadpole (23mm in length) sequence 3/8
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Nature Production / Bullfrog {Rana catesbeiana} tadpole (8mm in length) sequence 2/8
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Nature Production / Bullfrog {Rana catesbeiana} tadpole (8mm in length) sequence 1/8
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Nature Production / Bullfrog {Rana catesbeiana} tadpole (80mm in length) sequence 8/8
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Nature Production / Bullfrog {Rana catesbeiana} sheet of eggs on water
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Nature Production / Bullfrog {Rana catesbeiana} tadpole (91mm in length, with hind legs developing) sequence 7/8
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Doug Wechsler / Bullfrog female {Rana catesbeiana} Lafayette Hill, Pennsylvania, USA
