Assertion: mountain ash's fruit | /r/ObjectUse | used as bohemian waxwing
Facets:
value: in winter
type: TEMPORAL
value: by migratory birds
type: OTHER
Source sentences:
text: Fruit of S. aucuparia are used as a food source by migratory birds in winter, including Bohemian waxwing, spotted nutcracker, and redwing.