Assertion: tern's chick | /r/HasProperty | feathered with residual
Facets:
value: mostly
type: DEGREE
value: after six weeks
type: TEMPORAL
Source sentences:
text: The primaries, rectrices and scapulars are evident in the third week, and chicks are mostly feathered with residual down on underparts and under the wings after six weeks, and fully feathered by 11 weeks.