Diet Overlap

Myodes rufocanus (gray red-backed vole)
Lagopus muta (Rock Ptarmigan)

Common Diet

Empetrum nigrum (black crowberry)

Common Habitat

Altai alpine meadow and tundra
Altai montane forest and forest steppe
Baikalskiy Biosphere Reserve
Barguzinskiy Biosphere Reserve
Bering tundra
Cherskii-Kolyma mountain tundra
Chukchi Peninsula tundra
Da Hinggan-Dzhagdy Mountains conifer forests
East Siberian taiga
Great Lakes Basin desert steppe
Japan
Junggar Basin semi-desert
Kamchatka Mountain tundra and forest tundra
Kamchatka-Kurile meadows and sparse forests
Kamchatka-Kurile taiga
Katunsky Biosphere Reserve
Kazakh forest steppe
Khangai Mountains conifer forests
Kola Peninsula tundra
Kronotskiy Biosphere Reserve
Laplandskiy Biosphere Reserve
Nihonkai montane deciduous forests
Northeast Siberian coastal tundra
Northeast Siberian taiga
Northwest Russian-Novaya Zemlya tundra
Okhotsk-Manchurian taiga
Pechoro-Ilychskiy Biosphere Reserve
Sayan Alpine meadows and tundra
Sayan Intermontane steppe
Sayan montane conifer forests
Sayano-Shushenskiy Biosphere Reserve
Scandinavian and Russian taiga
Scandinavian coastal conifer forests
Scandinavian Montane Birch forest and grasslands
Selenge-Orkhon forest steppe
South Sakhalin-Kurile mixed forests
South Siberian forest steppe
Taiheiyo evergreen forests
Taiheiyo montane deciduous forests
Taimyr-Central Siberian tundra
Trans-Baikal Bald Mountain tundra
Trans-Baikal conifer forests
Ubsunurskaya Kotlovina (Ubsunur Depression)
Ural montane forests and tundra
Yamal-Gydan tundra

Attributes / relations provided by
1Analysing diet of small herbivores: the efficiency of DNA barcoding coupled with high-throughput pyrosequencing for deciphering the composition of complex plant mixtures, Eeva M Soininen, Alice Valentini, Eric Coissac, Christian Miquel, Ludovic Gielly, Christian Brochmann, Anne K Brysting, Jørn H Sønstebø, Rolf A Ims, Nigel G Yoccoz and Pierre Taberlet, Frontiers in Zoology 2009, 6:16
2del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.