The mammals living in Mongolia include: 14 species are animal feeding on insects, 12 species are with wings, 4 species of rats, 3 species of hares, 65 species of rodents, 22 species of carnivorous animals and 14 species of hoofed animals. Altogether, 35 mammal species have been registered in Mongolian Red Data Book.
Many species of Mammals inhabit in the Gun-Galuut Nature Reserve. Threat level of Gun-Galuut species are: Critically: Siberian White Crane, Endangered: Wild Mountain Sheep and Swan Goose, Vulnerable: White-Naped Crane, Great Bustard, Relict Gull, Lesser Kestrel, nearly threatened: Cinereous Vulture and White-Tailed Eagle, Least Concern: Grey Wolf and Corsica Fox.

Argali mountain wild sheep /Ovis Ammon/. There are over 100 Argalis live in the Nature Reserve currently. The first Argali came to the area in 1980s, but now it is known exactly where they came from. Argali live in beautiful Mt. Baits and Berkh.

Also
Grey Wolf /Canus Lupus/ live here, particularly at Mt Baits and Berkh. They spend the day laying in woody and bushy ravines of the mountains and hunting for domestic animals and sometimes the Argali herds at nights. Fox /Vulpes vulpes/, Steppe fox /Vulpes corsac/, Manul cat /feles manul/, Badger /meles meles/ and Lynx /Lynx lynx/ are also seen here during daytime. Mongolian Marmot /Marmote Sibirica/ occured here for a few years ago, though, connecting to illegal hunting now this animal is facing extinction. The area is rich in small rodents such as Brown Hare /Lepus tolai/, mice etc., White gazelles /Procapra gutturosa/ often come from the east to this area.
Badger
Brown Hare
Girbel
Lynx
Popup
White Gazelles