Assertion: canvasback | /r/HasProperty | silent
Facets:
value: generally
type: DEGREE
value: during non-breeding season
type: TEMPORAL
Source sentences:
text: Canvasbacks are generally silent.
text: Canvasbacks are usually quiet during non-breeding season.
text: Canvasbacks are generally quiet ducks, although they do use a variety of distress calls and emit a variety of coos and rattles as part of courtship behaviors.
text: Canvasback is silent outside of breeding season, but during courtship displays, male utters a dove-like “ik-ik-cooo” call.