Guy Musser
Contributor
BIOGRAPHY
Archbold Curator Emeritus Vertebrate Zoology and Mammalogy, American Museum of Natural History, New York City, U.S.
Primary Contributions (18)
Beaver, (genus Castor), either of two species of amphibious rodents native to North America, Europe, and Asia. Beavers are the largest rodents in North America and Eurasia and the second largest rodents worldwide. Their bodies extend up to 80 cm (31 inches) long and generally weigh 16–30 kg (35–66…
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