American bullfrog tadpole

American bullfrog, Rana catesbeiana, tadpole head. 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

Restrictions Only for United Kingdom

Amphibious Bullfrog Catesbeiana Growth Herpetofauna Metamorph Metamorphic Metamorphosis Polliwog Rana Ranidae Tadpole

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