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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.
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Copyright © Dan Suzio
Size: 5120x3427 / 4.2MB
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