Assertion: owl's feather | /r/HasProperty | replaced by white-tipped barred-buff
Facets:
value: second down
type: TEMPORAL
value: with growth of the wing primaries
type: OTHER
Source sentences:
text: The white down feathers that the barred owls are hatched with is replaced by white-tipped barred-buff second down at two to three weeks of age, correspondingly with growth of the wing primaries.