Assertion: fairy tern | /r/HasAspect | dark webs
Facets:
value: on several outer primaries
type: LOCATION
value: a feature shared
type: OTHER
Source sentences:
text: This first winter plumage is easily confused with non-breeding little tern because, in addition to the above, first-year fairy terns have dark webs on several outer primaries, a feature shared with little tern.