Assertion: golden eagle's feather | /r/HasProperty | brown
Facets:
value: as soon as they start
type: TEMPORAL
value: with white streaks in young birds
type: OTHER
Source sentences:
text: The feathers of the upper-tail and upper-wing coverts are brown with white streaks in young birds, while the other tail and wing quills are nearly black.
text: The feathers are brown as soon as they start to appear, which happens starting at 5 weeks of age; they are pretty well fully feathered by 9 weeks.