Kozlov's Pygmy Jerboa

Kozlov's pygmy jerboa has a head-and-body length of 4.3–5.6 centimetres and a tail of 11.0–12.6 centimetres, and weighs 7–12 grams. The hind foot is 24–27 millimetres and the ear 9–12 millimetres. The back fur is silky, pale sandy-yellow with a grey wash, the flanks lighter, and the underside white to yellowish-white. The head is less grey than the back. (German Wikipedia, general species account)

The tail is thickened in its front quarter and covered with scattered long hairs that form a tuft towards the tip. This rodent of the three-toed pygmy jerboa genus occurs in northwest China and in Mongolia. It is named after the Russian explorer Pyotr Kozlov. (German Wikipedia, general species account)