Bird feeder Thief!

Trying to find out what kind of squirrel this was in my cousin's bird feeder I came across this great tidbit from the Iowa DNR!

In Iowa it’s hard to go outside without at least glimpsing a squirrel. This nimble and common wildlife family is well known for its acrobatic tendencies and potential as a garden or bird feeder thief. But do you know all the facts about your fuzzy neighbors?