Bucephela albeola vs bufflehead

Bucephela albeola and bufflehead both are nouns.

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

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

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

Other synonyms of Bucephela albeola include butterball, dipper.

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