Assertion: tailed gull | /r/HasProperty | unique
Facets:
value: among the gulls
type: OTHER
value: within the gulls
type: LOCATION
value: for feeding exclusively at night
type: PURPOSE
Source sentences:
text: The Swallow Tailed Gull is unique within the gulls for feeding exclusively at night.
text: The swallow-tailed gull is unique among the gulls in feeding exclusively nocturnally, mostly on fish and squid which rise to the surface at night to feed on plankton.