Assertion: ring necked duck | /r/SimilarTo | their counterparts
Facets:
value: superficially
type: MANNER
value: in uniformly dark upper wings
type: LOCATION
value: in distinctive white bill markings
type: OTHER
value: in greater and lesser scaup
type: OTHER
Source sentences:
text: Although male ring-necked ducks superficially resemble their counterparts in greater and lesser scaup, their peaked, angular head profile, distinctive white bill markings and uniformly dark upper wings distinguish them.