How long does it take for bald eagles to be full grown?

Answer 1

Adult:

• White head and upper neck
• White tail
• Dark brown body plumage
• Yellow bill

Immature:

• Dark bill and dark cere
• Dark brown body plumage, including head and tail
• Variable amounts of white on underwing coverts, belly, and back
• White head and tail, and dark underwings are gradually acquired in four years

Answer 2

Bald eagles become fully mature at four or five years of age.