Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

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

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

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

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

Source archive URL:
https://github.com/HongyuLii/dietdatabase/archive/9b2c68014a3075f75a2e10755ea6cb483bc23a14.zip

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

Source archive URL:
https://github.com/HongyuLii/dietdatabase/archive/9b2c68014a3075f75a2e10755ea6cb483bc23a14.zip

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

Source archive URL:
https://github.com/cooperrlynn/dietdatabase/archive/4f91e5649a21bc21bb6a74b43e8643a9b3f8788b.zip

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

Source archive URL:
https://github.com/cooperrlynn/dietdatabase/archive/4f91e5649a21bc21bb6a74b43e8643a9b3f8788b.zip

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

Source archive URL:
https://github.com/georgeni2442/dietdatabase/archive/204b664ea3314bf7dd1c27226767cd62fff4130f.zip

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

Source archive URL:
https://github.com/georgeni2442/dietdatabase/archive/204b664ea3314bf7dd1c27226767cd62fff4130f.zip

Reference citation:
Harris, L.D. and Paur, L. (1972). A quantitative food web analysis of a shortgrass community, Technical Report No. 154, Grassland Biome. (U.S. International Biological Program).

Source citation:
Global Web Database (http://globalwebdb.com): an online collection of food webs. Accessed via https://www.globalwebdb.com/Service/DownloadArchive on 2017-10-12.

Source archive URL:
https://github.com/globalbioticinteractions/globalwebdb/archive/12f2c1ad026e634aea47dc40c0a5e9d463165058.zip

Reference citation:
L. D. Harris and L. Paur, A quantitative food web analysis of a shortgrass community, Technical Report No. 154, Grassland Biome. U.S. International Biological Program (1972), from p. 17.

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:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

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

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

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

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

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

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

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

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

Source archive URL:
https://github.com/kinseyfish/dietdatabase/archive/7508fd9e83403d39ac8b8ceee6f92b3d537d4f9d.zip

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

Source archive URL:
https://github.com/kinseyfish/dietdatabase/archive/7508fd9e83403d39ac8b8ceee6f92b3d537d4f9d.zip

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

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

Reference citation:
Fitzner, R. E., D. Berry, L. L. Boyd, and C. A. Reick. 1977. Nesting of Ferruginous Hawks (Buteo regalis) in Washington, 1974-75. Condor 79:245-249.

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

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