John Cancalosi / American bullfrog (Lithobates catesbeianus) next to Water lily flower, Washington DC, USA, July.
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John Cancalosi / American bullfrog (Lithobates catesbeianus) swimming near Water lilies (Nymphaea sp) Washington DC, USA. July.
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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.)
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John Cancalosi / Close-up of an American bullfrog (Lithobates catesbeianus) tadpole, New York, USA, July. Captive.
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John Cancalosi / Close-up of an American bullfrog (Lithobates catesbeianus) tadpole, New York, USA, July. Captive.
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Nick Hawkins / Bullfrog (Rana catesbeiana) photographed on white background, New Brunswick, Canada, May.
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Lynn M. Stone / Bullfrog (Lithobates catesbeiana) in pond shallows, among lily pads, Connecticut, USA
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Lynn M. Stone / Bullfrog (Lithobates catesbeiana) in pond shallows, among lily pads, Connecticut, USA
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LYNN M. STONE / RF - Young Bullfrog (Lithobates catesbeiana) at edge of pond amongst late season lily pads, September, Connecticut, USA. (This image may be licensed either as rights managed or royalty free.)
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LYNN M. STONE / RF - Bullfrog (Lithobates catesbeiana) in pond shallows, among late season lily pads, September. Connecticut, USA. (This image may be licensed either as rights managed or royalty free.)
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Michael Durham / American Bullfrog (Rana catesbeiana) sub-adult in pond, Oregon
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Michael Durham / American Bullfrog (Rana catesbeiana) male and female, North America
