Diet Overlap

Larus schistisagus (Slaty-backed Gull)
Myodes rutilus (northern red-backed vole)

Common Diet

Empetrum nigrum (black crowberry)

Common Habitat

Central Korean deciduous forests
Hokkaido deciduous forests
Hokkaido montane conifer forests
Kronotskiy Biosphere Reserve
Manchurian mixed forests
Nihonkai montane deciduous forests
North America
Northeast China Plain deciduous forests
Sikhote-Alinskiy Biosphere Reserve
South Sakhalin-Kurile mixed forests

Attributes / relations provided by
1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
2Making The Forest And Tundra Wildlife Connection