Assertion: grouse's plumage | /r/HasProperty | reddish brown
Facets:
Source sentences:
text: The red grouse is differentiated from the willow ptarmigan and rock ptarmigan by its plumage being reddish brown, and not having a white winter plumage.
text: The Red Grouse is differentiated from the Willow Grouse and Ptarmigan by its plumage being reddish brown and not having a white winter plumage.