Assertion: bald eagle's head | /r/HasProperty | characteristic white
Facets:
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: It takes a young Bald Eagle four to five years to reach sexual maturity, and they don’t develop their characteristic white head until they are fully adults.