Bald eagles are large raptors native to North America , easily recognized by their dark brown bodies, bright yellow beaks, and iconic white heads and tails

Size: Adults measure 30 to 40 inches long with a massive wingspan of 6.5 to 8 feet.
Weight: Females weigh 10 to 14 pounds, while males are smaller at 8 to 9 pounds.
Lifespan: They live 20 to 30 years in the wild, and longer in human care.
Appearance Changes: Young eagles start out entirely dark brown and take four to five years to develop their adult white feathers.
Name Origin: The name "bald" does not mean hairless; it comes from an Old English word ("balde") meaning "white