Diet Overlap

Falco rusticolus (Gyrfalcon)
Vulpes vulpes (Red Fox)

Common Diet

Lagopus lagopus (Willow Ptarmigan)
Lagopus leucura (White-tailed Ptarmigan)
Lepus americanus (Snowshoe Hare)
Lepus arcticus (Arctic Hare)
Urocitellus parryii (Arctic ground squirrel)

Common Habitat

Alaska Peninsula montane taiga
Alaska-St. Elias Range tundra
Altaisky Zapovednik
Amur meadow steppe
Arctic coastal tundra
Arctic foothills tundra
Arctic National Wildlife Refuge
Audubon National Wildlife Refuge
Auyuittuq National Park
Baffin coastal tundra
Baikalo-Lensky Zapovednik
Barguzinskiy Biosphere Reserve
Bering tundra
Beringia lowland tundra
Beringia upland tundra
Bonanza Creek LTER Site
Brooks-British Range tundra
Bruce Peninsula National Park
Central Plains Biosphere Reserve
Cherskii-Kolyma mountain tundra
Chukchi Peninsula tundra
Daurskiy Biosphere Reserve
Davis Highlands tundra
Denali Biosphere Reserve
East Siberian taiga
Europe & Northern Asia (excluding China)
Fathom Five National Marine Park
Forillon National Park
Fundy National Park
Gates of the Arctic National Park
Gros Morne National Park
High Arctic tundra
Hokkaido deciduous forests
Hokkaido montane conifer forests
Honshu alpine conifer forests
Interior Alaska-Yukon lowland taiga
Interior Yukon-Alaska alpine tundra
Ivvavik National Park
Japan
Kamchatka Mountain tundra and forest tundra
Kamchatka-Kurile meadows and sparse forests
Kamchatka-Kurile taiga
Kivach Zapovednik
Kluane National Park and Reserve
Kola Peninsula tundra
Krkonose
Kronotskiy Biosphere Reserve
Lake Superior Provincial Park
Lake Torne Area
Laplandskiy Biosphere Reserve
Lazovsky Zapovednik
Long Point Biosphere Reserve
Low Arctic tundra
Malaya Sozva Zapovednik
Manchurian mixed forests
Middle Arctic tundra
Mongolian-Manchurian grassland
Nahanni National Park Reserve
Niagara Escarpment Biosphere Reserve
Nihonkai montane deciduous forests
Noatak Biosphere Reserve
North America
Northeast China Plain deciduous forests
Northeast Siberian coastal tundra
Northeast Siberian taiga
Northern Canadian Shield taiga
Northwest Russian-Novaya Zemlya tundra
Ogilvie-MacKenzie alpine tundra
Okskiy Biosphere Reserve
Olympic Biosphere Reserve
Ostrov Vrangelya (Wrangel Island) Zapovednik
Prince Albert National Park
Pukaskwa National Park
Queen Maud Gulf Bird Sanctuary
Scandinavian and Russian taiga
Scandinavian coastal conifer forests
Scandinavian Montane Birch forest and grasslands
Shortgrass Steppe LTER Site
Sikhote-Alinskiy Biosphere Reserve
Sirmilik National Park
Sokhondinskiy Biosphere Reserve
Taimyr-Central Siberian tundra
Torngat Mountain tundra
Tsentral'no-Sibirskiy Biosphere Reserve
Ubsunurskaya Kotlovina (Ubsunur Depression)
Ukkusiksalik National Park
Voyageurs National Park
Wapusk National Park
Waterton Biosphere Reserve
West Siberian taiga
Wood Buffalo National Park
Wrangell-St. Elias National Park and Preserve
Yamal-Gydan tundra
Yukon Interior dry forests

Attributes / relations provided by
♦ 1POTAPOV, E. 2011. Gyrfalcon diet: Spatial and temporal variation In R. T. Watson, T. J. Cade, M. Fuller, G. Hunt, and E. Potapov (Eds.). Gyrfalcons and Ptarmigan in a Changing World. The Peregrine Fund, Boise, Idaho, USA
♦ 2Making The Forest And Tundra Wildlife Connection
♦ 3Exploring the Denali Food Web, ParkWise, National Park Service
♦ 4Lepus arcticus, Troy L. Best and Travis Hill Henry, MAMMALIAN SPECIES No. 457, pp. 1-9 (1994)