Smithsonian Institution
Smithsonian National Zoo: Zoogoer Magazine: On Waterdogs, Mudpuppies, and More
Alex Hawes's article, "On Waterdogs, Mudpuppies, and the Occasional Hellbender" looks at the range of creatures within the classification of Amphibian. He does not spend time discussing frogs or toads in depth, but focuses on the rest of...