gooney bird vs black-footed albatross

gooney bird and black-footed albatross both are nouns.

Word	Noun	Adjective	Verb	Adverb
gooney bird	Yes	No	No	No
black-footed albatross	Yes	No	No	No

As nouns, gooney bird and black-footed albatross are synonyms defined as:

gooney bird and black-footed albatross: a variety of albatross with black feet

Other synonyms of gooney bird include Diomedea nigripes, gooney, goonie, goony.

gooney bird (noun)	black-footed albatross (noun)
a variety of albatross with black feet	a variety of albatross with black feet