Assertion: trumpeter swan | /r/ObjectUse | used as guard dogs
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Trumpeters are often used as "guard dogs" because they call loudly when alarmed, become tame easily, and are believed to be adept at killing snakes.
text: Trumpeters are often used as "guard dogs" because they call loudly when alarmed, become tame easily, and are believed to be adept at killing snakes.