bufflehead vs Bucephela albeola

bufflehead and Bucephela albeola both are nouns.

Word	Noun	Adjective	Verb	Adverb
bufflehead	Yes	No	No	No
Bucephela albeola	Yes	No	No	No

As nouns, bufflehead and Bucephela albeola are synonyms defined as:

bufflehead and Bucephela albeola: small North American diving duck; males have bushy head plumage

Other synonyms of bufflehead include butterball, dipper.

bufflehead (noun)	Bucephela albeola (noun)
small North American diving duck; males have bushy head plumage	small North American diving duck; males have bushy head plumage