Assertion: goldeneye | /r/HasProperty | bucephala
Facets:
Source sentences:
text: This genus is closely related to Mergus and is sometimes included in it, though it might be closer to the goldeneyes (Bucephala).
text: This resembles many sea-ducks (Merginae) – notably the smaller goldeneyes (Bucephala) – but is distinct from most cormorants, which rarely have white feathers, and if so, usually as large rounded patches rather than delicate patterns.