dusky-footed woodrat vs packrat

dusky-footed woodrat and packrat both are nouns.

Word	Noun	Adjective	Verb	Adverb
dusky-footed woodrat	Yes	No	No	No
packrat	Yes	No	No	No

As nouns, packrat is a hypernym of dusky-footed woodrat; that is, packrat is a word with a broader meaning than dusky-footed woodrat:

dusky-footed woodrat: host to Lyme disease tick (Ixodes pacificus) in northern California
packrat: any of several bushy-tailed rodents of the genus Neotoma of western North America; hoards food and other objects

Other hypernyms of dusky-footed woodrat include bushytail woodrat, Neotoma cinerea, pack rat, trade rat.

dusky-footed woodrat (noun)	packrat (noun)
host to Lyme disease tick (Ixodes pacificus) in northern California	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