Diet Overlap

Calcarius lapponicus (Lapland Longspur) Branta hutchinsii (Cackling Goose)

Common Diet

Arctagrostis latifolia (wideleaf polargrass) Carex bonanzensis (Yukon sedge) Empetrum nigrum (black crowberry)

Common Habitat

Aleutian Islands Biosphere Reserve Crosswinds Marsh North America