Juvenile Bald eagles have different coloration than the adult.
First year very large, heavy-bodied raptor. Large head. Mostly dark brown overall. Heavy black bill
Second year very large and broad-winged. Thick yellow bill is black at tip. Dark brown above. Extensive white mottling on belly and underwings
Third year very large raptor with broad, plank-like wings. Large head mostly whitish with dark stripe through eye. Dark brown with white mottling on belly and underwings. Pale yellow eye and bright yellow feet
Fourth year bald eagle is large and heavy-bodied. Similar to adult but with some dark smudging on white head. Heavy yellow bill.
The first year bald eagle and fourth year was photographed at Sacramento Wildlife Refuge.