Altai birch mouse

The Altai birch mouse (Sicista napaea) is a species of rodent in the family Sminthidae. It is native to Russia and Kazakhstan. A baby Altai birch mouse is called a 'pinkie, kitten or pup'. The females are called 'doe' and males 'buck'. A Altai birch mouse group is called a 'nest, colony, harvest, horde or mischief'.