Diet Overlap

Lagopus lagopus (Willow Ptarmigan) Alces alces (moose)

Common Diet

Betula intermedia (dwarf birch) Salix alaxensis (feltleaf willow) Vaccinium vitis-idaea (lingonberry)

Common Habitat

Alaska Peninsula montane taiga Alaska-St. Elias Range tundra Alberta Mountain forests Amur meadow steppe Arctic coastal tundra Arctic foothills tundra Arctic National Wildlife Refuge Baikalskiy Biosphere Reserve Barguzinskiy Biosphere Reserve Berezinskiy Zapovednik Bering tundra Beringia lowland tundra Beringia upland tundra Bonanza Creek LTER Site British Columbia mainland coastal forests Brooks-British Range tundra Cascade Mountains leeward forests Central British Columbia Mountain forests Cherskii-Kolyma mountain tundra Cook Inlet taiga Copper Plateau taiga Da Hinggan-Dzhagdy Mountains conifer forests Darvinsky Zapovednik Denali Biosphere Reserve East Siberian taiga Eastern Canadian forests Eastern Canadian Shield taiga Europe & Northern Asia (excluding China) Fraser Plateau and Basin complex Gates of the Arctic National Park Great Lakes Basin desert steppe Greenwater Provincial Park Gros Morne National Park Interior Alaska-Yukon lowland taiga Interior Yukon-Alaska alpine tundra Ivvavik National Park Jasper National Park Katunsky Biosphere Reserve Kazakh forest steppe Kazakh steppe Kazakh upland Khangai Mountains alpine meadow Kluane National Park and Reserve Kola Peninsula tundra Kostomukshsky Zapovednik Krkonose Lake Torne Area Laplandskiy Biosphere Reserve Manchurian mixed forests Midwestern Canadian Shield forests Mongolian-Manchurian grassland Muskwa-Slave Lake forests Nahanni National Park Reserve Noatak Biosphere Reserve North America North Central Rockies forests Northeast Siberian taiga Northern Canadian Shield taiga Northern Cordillera forests Northern Pacific coastal forests Northern transitional alpine forests Northwest Russian-Novaya Zemlya tundra Northwest Territories taiga Ogilvie-MacKenzie alpine tundra Okhotsk-Manchurian taiga Okskiy Biosphere Reserve Pacific Coastal Mountain icefields and tundra Pechoro-Ilychskiy Biosphere Reserve Prince Albert National Park Sarmatic mixed forests Sayan Alpine meadows and tundra Sayan Intermontane steppe Sayan montane conifer forests Sayano-Shushenskiy Biosphere Reserve Scandinavian and Russian taiga Scandinavian Montane Birch forest and grasslands Selenge-Orkhon forest steppe Sokhondinskiy Biosphere Reserve South Siberian forest steppe Southern Asia Southern Hudson Bay taiga Taimyr-Central Siberian tundra Terra Nova National Park Trans-Baikal Bald Mountain tundra Trans-Baikal conifer forests Tsentral'no-Lesnoy Biosphere Reserve Tsentral'no-Sibirskiy Biosphere Reserve Tuktut Nogait National Park Ubsunurskaya Kotlovina (Ubsunur Depression) Ukkusiksalik National Park Ural montane forests and tundra Wapusk National Park West Siberian taiga Western Siberian hemiboreal forests Wood Buffalo National Park Wrangell-St. Elias National Park and Preserve Yamal-Gydan tundra Yukon Interior dry forests