Assertion: grouse | /r/CapableOf | bud in mature aspen
Facets:
value: before roosting for the evening
type: TEMPORAL
value: particularly
type: DEGREE
Source sentences:
text: The NRB felt grouse were vulnerable in winter, particularly when they budded in mature aspen in early morning and late afternoon just before roosting for the evening, the NRB implying the birds were like sitting ducks up in the trees.