Assertion: bald eagle | /r/CapableOf | develop tail feathers
Facets:
value: between its fourth and fifth year
type: TEMPORAL
Source sentences:
text: Bald eagles develop the characteristic white head and tail feathers by 4-6 years of age
text: Bald eagles develop the characteristic white head and tail feathers by 4-6 years of age
text: A bald eagle develops its classic trademark white head and tail feathers between its fourth and fifth year.