stinkbird vs hoactzin

stinkbird and hoactzin both are nouns.

Word	Noun	Adjective	Verb	Adverb
stinkbird	Yes	No	No	No
hoactzin	Yes	No	No	No

As nouns, stinkbird and hoactzin are synonyms defined as:

stinkbird and hoactzin: crested ill-smelling South American bird whose young have claws on the first and second digits of the wings

Other synonyms of stinkbird include hoatzin, Opisthocomus hoazin.

stinkbird (noun)	hoactzin (noun)
crested ill-smelling South American bird whose young have claws on the first and second digits of the wings	crested ill-smelling South American bird whose young have claws on the first and second digits of the wings