Squirrel vs Guineapig - What's the difference?

As nouns the difference between squirrel and guineapig

is that squirrel is any of the rodents of the family sciuridae distinguished by their large bushy tail while guineapig is .

is to store in a secretive manner, to hide something for future use.

(wikipedia squirrel)

(Sciuridae) (en noun)

Any of the rodents of the family Sciuridae distinguished by their large bushy tail.

(Scientology, often, disparaging) A person, usually a freezoner, who applies L. Ron Hubbard's technology in a heterodox manner.

One of the small rollers of a carding machine which work with the large cylinder.

* gray squirrel * red squirrel

(en verb)

To store in a secretive manner, to hide something for future use

* In addition to the single-L forms (m) and (m) given above, the less-common double-L forms (m) and (m) are also attested in UK usage.