gooney bird vs Diomedea nigripes

gooney bird and Diomedea nigripes both are nouns.

Word	Noun	Adjective	Verb	Adverb
gooney bird	Yes	No	No	No
Diomedea nigripes	Yes	No	No	No

As nouns, gooney bird and Diomedea nigripes are synonyms defined as:

gooney bird and Diomedea nigripes: a variety of albatross with black feet

Other synonyms of gooney bird include black-footed albatross, gooney, goonie, goony.

gooney bird (noun)	Diomedea nigripes (noun)
a variety of albatross with black feet	a variety of albatross with black feet