Reference citation:
Hering, P. E. 1934. The food of the American Crow in central New York State. Auk 51:470-476.

Source citation:
Allen Hurlbert. 2017. Avian Diet Database.

Source archive URL:
https://github.com/Dryu0003/dietdatabase/archive/bbd9be71f5db476449b66d948e4938dce5900300.zip