Assertion: american crow's feather | /r/CapableOf | become brownish
Facets:
value: during the first year
type: TEMPORAL
Source sentences:
text: Wing and tail feathers become brownish during the first year.
text: The first nuptial plumage is acquired by wear, the feathers becoming brownish and worn by the end of the breeding season.
text: The first nuptial plumage is acquired by wear, the feathers becoming brownish and worn by the end of the breeding season.