Assertion: juvenile bald eagle | /r/CapableOf | step by step change
Facets:
value: for the primary 5 years
type: TEMPORAL
Source sentences:
text: For the primary 5 years, they step by step change; the beak turns from black to yellow, the eyes from brown to straw, body feathers from dappled to dark brown, and head and tail feathers from dappled to solid white.