Assertion: billed gull | /r/CapableOf | lack dark hood
Facets:
value: on the head
type: LOCATION
value: in summer plumage
type: TEMPORAL
Source sentences:
text: In summer plumage, it lacks a dark hood on the head, but remarkably, as in Black-headed Gull, in winter it develops a dark patch on the ear-coverts (although much smaller).