Haliaeetus pelagicus vs Stellar's sea eagle

Haliaeetus pelagicus and Stellar's sea eagle both are nouns.

Word	Noun	Adjective	Verb	Adverb
Haliaeetus pelagicus	Yes	No	No	No
Stellar's sea eagle	Yes	No	No	No

As nouns, Haliaeetus pelagicus and Stellar's sea eagle are synonyms defined as:

Haliaeetus pelagicus and Stellar's sea eagle: found on coasts of the northwestern Pacific

Other synonyms of Haliaeetus pelagicus include Kamchatkan sea eagle.

Haliaeetus pelagicus (noun)	Stellar's sea eagle (noun)
found on coasts of the northwestern Pacific	found on coasts of the northwestern Pacific