The rat tail contains a dorsal vein ... Collecting blood from rodents: a discussion by the Laboratory Animal Refinement and Enrichment Forum. Anim. Technol. Welf. 4(2), 99–102 (2005).

The author describes several characteristics of the Nile grass rat that make this diurnal murid rodent an attractive laboratory animal. In the laboratory, Nile grass rats are clearly diurnal (Fig.

They have naked, round ears and a long, rat-like prehensile tail, which aids in climbing ... “Raccoons are by far the pushiest of the urban animals to share our cities,” she says.

The animals are further imperiled by climate change that is ... species in the United States that should be considered for protection. Texas kangaroo rats have long tails and long hind feet that ...

Their fur is typically a dark brown, but light-colored and albino animals can also be observed ... that are yellow to orange; a heavy, rat-like tail thinly covered in bristly hairs; and noticeable ...