muskeg, arctic, arctic circle, subarctic, permafrost, taiga, caribou, prairies, snowscape, barrens, arctic ocean, boreal, steppe, icecap, wilderness, snowy, ptarmigan, glacier, icefield, polar, arctic archipelago, baranof island, bunchgrass, jack pine, spruce grouse, mendenhall glacier, mukluks, fjords, floe, selkirk mountains, antarctic, treeline, tussocks, cloudberry, sastrugi, moraine, hoary marmot, spitzbergen, moose, lichen, wrangell mountains, ice, wilds, meadowlands, artic, little diomede, weddell sea, snowcap, eskers, peat bog, stampeders, meadow, ellesmere island, bering sea, reed canary grass, circumpolar, moorlands, grasslands, walruses, plains, musk ox, greenland, savanna, glacial, snowfield, eiders, cragged, barnacle goose, expanse, subzero, eskimos, tallgrass, savannah, nanook, ivory gull, driftless, hummocks, spinifex, exclosure, aspen, denning, bering strait, tadpole shrimp, woodland caribou, slopes, marsh, purple heather, polynya, moors, nenets, semidesert, fens, lappish, sagebrush, spitsbergen, timberline, inuit, ice floe, tamarack, ungulates, mossy, arctic tern, tundras, prairie, steppes, moorland, plain, heaths, marshland, pampas, flatlands, hillside, lowland, riverbank, savannahs, chaparral, semiarid, forest, subalpine, riverine, sahelian, woodland, xeric, coniferous, desert, littoral, mesic, montane, upland, wetland

barren ground caribou, bewick's swan, cygnus columbianus, cygnus columbianus bewickii, cygnus columbianus columbianus, kobuk valley national park, rangifer arcticus, tundra swan, whistling swan

champaign, field, plain