Diet Overlap

Lagopus lagopus (Willow Ptarmigan) Bombus polaris (Bumblebee)

Common Diet

Arctostaphylos alpinus (alpine bearberry) Empetrum nigrum (black crowberry) Vaccinium uliginosum (bog blueberry) Vaccinium vitis-idaea (lingonberry)

Common Habitat

Europe & Northern Asia (excluding China) North America