EXAMPLES FROM THE WEB FOR PACK RAT
Then we also have the pack rat, but the pack rat does not carry things with our consent.
It may represent a pack rat (Neotoma) of which many species are described from Mexico.
It was a pack rat, sometimes called a trade rat, paying us a visit.
Except at the locality in Cherokee County, the pack rat, Neotoma floridana, was found in association with the brush mouse.
Nests of sticks and leaves were taken apart by Metcalf, and all sign indicated only the presence of the pack rat.
common name for the North American bushytailed woodrat (Neotoma cinerea) 1885, from pack (v.); so called from the rodents' habit of dragging objects off to their holes. Used figuratively or allusively from c.1850 of persons who won't discard anything, which means either the rat's name is older than the record or the human sense is the original one.