Haliaeetus leucocephalus vs American eagle

Haliaeetus leucocephalus and American eagle both are nouns.

Word	Noun	Adjective	Verb	Adverb
Haliaeetus leucocephalus	Yes	No	No	No
American eagle	Yes	No	No	No

As nouns, Haliaeetus leucocephalus and American eagle are synonyms defined as:

Haliaeetus leucocephalus and American eagle: a large eagle of North America that has a white head and dark wings and body

Other synonyms of Haliaeetus leucocephalus include bald eagle.

Haliaeetus leucocephalus (noun)	American eagle (noun)
a large eagle of North America that has a white head and dark wings and body	a large eagle of North America that has a white head and dark wings and body