Chattering squirrels, charming coypus, and tail-slapping beavers — along with some other rodents — have orange-brown front teeth. Researchers have published high-resolution images of rodent incisors ...

Squirrels, beavers, and other rodents have orange-brown front teeth that may be key to developing oral care products that better protect human tooth enamel and ensure that restorations last longer.

Two fossil teeth from a distant relative of North American gophers have scientists rethinking how some mammals reached the Caribbean Islands. Two fossil teeth from a distant relative of North American ...

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Neoepiblemidae (Caviomorpha) includes South American hystricognath rodents that together with Chinchillidae and Dinomyidae compose the clade Chinchilloidea. Despite the considerable advance in ...

A large invasive species that resembles a beaver is damaging ecosystems in over a dozen US states. Nutria, native to South America, were introduced to the US in the late 1800s for their fur. The ...