Assertion: gull's food | /r/HasProperty | excrement
Facets:
Source sentences:
text: The genus name Stercorarius is Latin and means "of dung";[note 1] because the food disgorged by other birds when pursued by skuas was once thought to be excrement.
text: The genus name Stercorarius is Latin and means "of dung"; the food disgorged by other birds when pursued by skuas was once thought to be excrement.