Assertion: starling | /r/HasProperty | threat
Facets:
value: to airplanes
type: TRANSITIVE-OBJECT
value: to kestrels
type: TRANSITIVE-OBJECT
value: extremely
type: DEGREE
value: to any cavity nesting bird
type: TRANSITIVE-OBJECT
value: because of their very aggressive nature
type: CAUSE
Source sentences:
text: Because of their very aggressive nature, starlings are a threat to any cavity nesting bird they can 'trap' in their nests.
text: Starlings in close are extremely vulnerable to kestrels; but in the open are best prey for merlins.
text: Starlings are such a threat to airplanes that they are sometimes called “flying bullets.