American bullfrogs in duckweed

American bullfrogs (Rana catesbeiana), and duckweed (Lemna sp.), Northern California. Native to the eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific br

Restrictions Only for United Kingdom

Alien Anura Anuran Anurans Bullfrog Bullfrogs Catesbeiana Duckweed Herp Herps Introduced Invasive Lemna Rana Trio

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