American Bullfrog (<i>Rana catesbeiana</i>) (IMAGE)

San Francisco State University

American Bullfrog (<i>Rana catesbeiana</i>)

Caption

An American bullfrog (Rana catesbeiana) sits on a lily pad. A study by San Francisco State University biologist Vance Vredenburg provides new evidence that this species of frogs played a role in the spread of the deadly Bd fungus to the western half of the US

Credit

Katja Schulz, Flickr (CC BY 2.0) - <a target="_blank"href="https://www.flickr.com/photos/treegrow/7915817762">https://www.flickr.com/photos/treegrow/7915817762</a>

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