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American Bullfrog - Lithobates catesbeianus
Federal Register :: Endangered and Threatened Wildlife and Plants
Federal Register :: Endangered and Threatened Wildlife and Plants
Living with wildlife: Frogs Washington Department of Fish & Wildlife
california-red-legged-frog-recovery-plan by Amphibian Survival
American Bullfrog Eradication Plan. Phase one: mapping the
American bullfrog Washington Department of Fish & Wildlife
Life history traits and reproductive ecology of North American chorus
California's battle to control non-native bullfrogs