Assertion: greater scaup's bill | /r/HasProperty | distinctive
Facets:
value: mostly
type: DEGREE
Source sentences:
text: but mostly because the bill is distinctive.
text: The Ring-necked Duck (Aythyra collaris), or Ring-necked Blackhead, Marsh Bluebill, Ring-billed Blackhead, and Bastard Broadbill, as it is variously called, though of the same size as the lesser scaup, may be distinguished from either of its allies by a broad reddish brown collar, a white chin, entirely black shoulders, gray speculum on wings, and a bluish gray band across the end of the broad, black bill, which are its distinguishing marks.