Breeds in alpine tundra along mountain ridges in interior mountains. Dry frequently stony alpine tundra with lichens, dwarf shrubs, scree or rock fields. Mostly, occupies habitat on summits and upper slopes of steep ridges. Also, may breed near coastal areas. Nests in rocky areas with clumps of vegetation. In the Yukon, found between 800 and 1,800 m in elevation in lichen, moss, avens, heather, interspersed with sedge and grass (Frisch 1978).
Frisch, R. 1978. Surfbirds in Ogilvie and Richardson mountains, Yukon Territory. Can. Field-Nat. 92:401- 403.