Diomedea nigripes vs gooney bird

Diomedea nigripes and gooney bird both are nouns.

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

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

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

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

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