Reference citation:
De Franceschi, P. F. and D. A. Boag. 1990. Summer foraging by spruce grouse: implications for galliform food habits. Can. J. Zool. 69: 1708-1711.

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

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

Reference citation:
De Franceschi, P. F. and D. A. Boag. 1990. Summer foraging by spruce grouse: implications for galliform food habits. Can. J. Zool. 69: 1708-1711.

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

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