Assertion: great black backed gull | /r/HasProperty | observed foraging 19% of their time
Facets:
value: in attempt
type: TEMPORAL
value: actively
type: TEMPORAL
Source sentences:
text: However, apparently, in attempt to observe how much time they spend foraging at refuse dumps in Massachusetts, great black-backed gulls were only observed actively foraging 19% of their time there, eating less garbage than other common gulls, and spent most of their time roosting or loafing.