Assertion: gull's colony | /r/HasProperty | pirated of their catch
Facets:
value: by great black-backs
type: OTHER
value: immediately
type: MANNER
value: in a great majority of cases
type: TEMPORAL
Source sentences:
text: At tern colonies in coastal Maine, American herring gulls (L. smithsonianus) occasionally also attack nestling and fledgling terns but in a great majority of cases were immediately pirated of their catch by great black-backs.