Reference citation:
Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2013. The Animal Diversity Web (online). Accessed at http://animaldiversity.org.

Source citation:
Semantic Prototypes in Research Ecoinformatics (SPIRE). Data provided by Joel Sachs. See also http://ebiquity.umbc.edu/get/a/publication/297.pdf .

Source archive URL:
https://github.com/globalbioticinteractions/spire/archive/b2f52536ed93797820e4295fe1097310d37ddbaa.zip

Reference citation:
Atkinson, E. C. and T. J. Cade. 1993. Winter foraging and diet of Northern Shrikes in Idaho. Condor 95:528-535.

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

Source archive URL:
https://github.com/jerichocook/BIOL395Project/archive/4942586a8792eef6b836a453820dfa8c361c76fb.zip

Reference citation:
Atkinson, E. C. and T. J. Cade. 1993. Winter foraging and diet of Northern Shrikes in Idaho. Condor 95:528-535.

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

Source archive URL:
https://github.com/jerichocook/BIOL395Project/archive/4942586a8792eef6b836a453820dfa8c361c76fb.zip

Reference citation:
Atkinson, E. C. and T. J. Cade. 1993. Winter foraging and diet of Northern Shrikes in Idaho. Condor 95:528-535.

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

Source archive URL:
https://github.com/jerichocook/BIOL395Project/archive/4942586a8792eef6b836a453820dfa8c361c76fb.zip

Reference citation:
Atkinson, E. C. and T. J. Cade. 1993. Winter foraging and diet of Northern Shrikes in Idaho. Condor 95:528-535.

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