Diomedea nigripes vs black-footed albatross

Diomedea nigripes and black-footed albatross both are nouns.

Word	Noun	Adjective	Verb	Adverb
Diomedea nigripes	Yes	No	No	No
black-footed albatross	Yes	No	No	No

As nouns, Diomedea nigripes and black-footed albatross are synonyms defined as:

Diomedea nigripes and black-footed albatross: a variety of albatross with black feet

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

Diomedea nigripes (noun)	black-footed albatross (noun)
a variety of albatross with black feet	a variety of albatross with black feet