The sea mammals include the common dolphin (Delphinus delphis).
If we get into mammals, the biggest killer of humans is dogs – and horses.
Bogdanov, Birds and Mammals of the Black-Earth Region of the Volga Basin (in Russian, Kazan, 1871); Karelin for the southern Urals; Kessler for fishes; Strauch, Die Schlangen des Russ.
Of smaller mammals, raccoons, squirrels and opossums are very common.
FLYING - SQUIRREL, properly the name of such members of the squirrel-group of rodent mammals as have a parachute-like expansion of the skin of the flanks, with attachments to the limbs, by means of which they are able to take long flying-leaps from tree to tree.