Having the approximate size of a squirrel(adjective)
WordNet. Princeton University. 2010.
Use "squirrel-sized" in a sentence
"She also is credited with leading a successful program to bolster the population of golden lion tamarins, endangered squirrel-sized monkeys that live in South America."
"#2–Male hunters did go on big game hunts, but probably only once a month at most; most of the animal food that people ate was deer size or even smaller game like rabbits and squirrel-sized which women also hunted."
"The squirrel-sized numbat (Myrmecobius fasciatus, VU), is one example - the marsupial equivalent to the anteaters of South America and also known by the names of walpurti or banded anteater, the numbat is the only member of the family Myrmecobiidae."