What is the difference between bald eagle and American eagle?

The terms "bald eagle" and "American eagle" are often used interchangeably. The North American bald eagle (Haliaeetus leucocephalus) is known as the national bird of the United States of America.

While technically considered an erroneous designation because bald eagles are not truly bald but instead have white feathers on their heads, the name "bald eagle" is widely used and recognized. These white head feathers are only fully grown and become visible in mature bald eagles at five years of age.

Therefore, there is, in practical terms, no significant difference between bald eagles and American eagles because they refer to the same species, Haliaeetus leucocephalus. Both names denote this unique and majestic bird that adorns the coat of arms and symbolism of the United States of America.