packrat vs Neotoma cinerea

packrat and Neotoma cinerea both are nouns.

Word	Noun	Adjective	Verb	Adverb
packrat	Yes	No	No	No
Neotoma cinerea	Yes	No	No	No

As nouns, packrat and Neotoma cinerea are synonyms defined as:

packrat and Neotoma cinerea: any of several bushy-tailed rodents of the genus Neotoma of western North America; hoards food and other objects

Other synonyms of packrat include bushytail woodrat, pack rat, trade rat.

packrat (noun)	Neotoma cinerea (noun)
any of several bushy-tailed rodents of the genus Neotoma of western North America; hoards food and other objects	any of several bushy-tailed rodents of the genus Neotoma of western North America; hoards food and other objects
a collector of miscellaneous useless objects