Reference citation:
Blackwell, B. F., W. B. Krohn, N. R. Dube, and A. J. Godin. 1997. Spring prey use by double-crested cormorants on the Penobscot River, Maine, USA. Waterbird Soc. 20:77-86.

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

Source archive URL:
https://github.com/hurlbertlab/dietdatabase/archive/de2b062bf553c6810839ced1baa3a0baf4d941d3.zip

Reference citation:
Blackwell, B. F., W. B. Krohn, N. R. Dube, and A. J. Godin. 1997. Spring prey use by double-crested cormorants on the Penobscot River, Maine, USA. Waterbird Soc. 20:77-86.

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

Source archive URL:
https://github.com/lanescher/dietdatabase/archive/1c739f6fab3ef7b74b491995f1349b51339df89f.zip