5 in the peer-reviewed journal Vertebrate Zoology. The “very long tail” belongs to the Otavalo’s Andean mouse, Thomasomys otavalo, recently discovered as a new species. “The specific ...

The meadow jumping mouse has hind legs much longer than the front legs and a tapered tail that is nearly twice as long as the combined length of the head and body. The coarse fur is yellowish brown ...

The tail is shorter than the combined head-body length, is paler but not white below, and does not end in a tuff of white hairs. In other respects the white-footed mouse is similar to the deer mouse.

Here are eight tiny tyne creatures known as the smallest mammals of the earth. At only 1.3g, the extinct B. vanhouteni is believed to be the smallest mammal that ever lived. This tiny, shrew-like ...

The pygmy mouse lemur is the smallest primate in the world. Its head and body are less than two and a half inches long, though its tail is a bit more than twice that length. These threatened ...