Diet Overlap

Calcarius lapponicus (Lapland Longspur)
Lagopus muta (Rock Ptarmigan)

Common Diet

Empetrum nigrum (black crowberry)

Common Habitat

Alaska Peninsula montane taiga
Alaska-St. Elias Range tundra
Aleutian Islands Biosphere Reserve
Aleutian Islands tundra
Altai alpine meadow and tundra
Altai montane forest and forest steppe
Arctic coastal tundra
Arctic foothills tundra
Arctic National Wildlife Refuge
Aulavik National Park
Auyuittuq National Park
Baffin coastal tundra
Barguzinskiy Biosphere Reserve
Bering tundra
Beringia lowland tundra
Beringia upland tundra
British Columbia mainland coastal forests
Brooks-British Range tundra
Cascade Mountains leeward forests
Celtic broadleaf forests
Central Pacific coastal forests
Chukchi Peninsula tundra
Copper Plateau taiga
Da Hinggan-Dzhagdy Mountains conifer forests
Davis Highlands tundra
Denali Biosphere Reserve
Glacier Bay National Park and Preserve
Gros Morne National Park
High Arctic tundra
Interior Alaska-Yukon lowland taiga
Interior Yukon-Alaska alpine tundra
Ivvavik National Park
Japan
Junggar Basin semi-desert
Kamchatka Mountain tundra and forest tundra
Kamchatka-Kurile meadows and sparse forests
Kamchatka-Kurile taiga
Kluane National Park and Reserve
Kola Peninsula tundra
Kronotskiy Biosphere Reserve
Laidauredeltat
Lake Torne Area
Laplandskiy Biosphere Reserve
Low Arctic tundra
Mediterranean Basin
Middle Arctic tundra
Nahanni National Park Reserve
North America
North Central Rockies forests
North-east Greenland National Park
Northeast Siberian coastal tundra
Northeastern Spain and Southern France Mediterranean forests
Northwest Russian-Novaya Zemlya tundra
Ogilvie-MacKenzie alpine tundra
Okanagan dry forests
Pacific Coastal Mountain icefields and tundra
Palouse grasslands
Pechoro-Ilychskiy Biosphere Reserve
Puget lowland forests
Queen Maud Gulf Bird Sanctuary
Sayano-Shushenskiy Biosphere Reserve
Scandinavian and Russian taiga
Scandinavian coastal conifer forests
Scandinavian Montane Birch forest and grasslands
Sirmilik National Park
Southern Hudson Bay taiga
Taimyr-Central Siberian tundra
Taimyrsky Biosphere Reserve
Torngat Mountain tundra
Tuktut Nogait National Park
Ubsunurskaya Kotlovina (Ubsunur Depression)
Ukkusiksalik National Park
Walker Bay Field Station
Wapusk National Park
Wrangell-St. Elias National Park and Preserve
Yamal-Gydan tundra

Attributes / relations provided by
1Making The Forest And Tundra Wildlife Connection
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.