Helpful Links:

https://www.atlasobscura.com/articles/squirrels-caching-chunking-memory-system

https://www.atlasobscura.com/articles/pet-squirrel-craze

https://www.atlasobscura.com/articles/in-1918-california-drafted-children-into-a-war-on-squirrels

https://www.nytimes.com/2016/04/17/magazine/letter-of-recommendation-squirrels.html?rref=collection%2Ftimestopic%2FSquirrels&action=click&contentCollection=science®ion=stream&module=stream_unit&version=latest&contentPlacement=3&pgtype=collection

www.incompetech.com