Assertion: gull | /r/HasProperty | observed stealing earthworm
Facets:
value: from black-bellied plovers
type: TRANSITIVE-OBJECT
value: from foraging dunlins
type: TRANSITIVE-OBJECT
Source sentences:
text: Bonaparte's gulls are known to engage in kleptoparasitism, and have been observed stealing earthworms from foraging dunlins and black-bellied plovers.