Chesser, R. T., S. M. Billerman, K. J. Burns, C. Cicero, J. L. Dunn, B. E. Hernández-Baños, R. A. Jiménez, A. W. Kratter, N. A. Mason, P. C. Rasmussen, J. V. Remsen, Jr., D. F. Stotz, and K. Winker. 2022. Check-list of North American Birds (online). American Ornithological Society. (July 29, 2022). "Check-list of North and Middle American Birds". American Ornithological Society. Retrieved July 7, 2022.{{cite web}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)
bsc-eoc.org
avibase.bsc-eoc.org
Lepage, Denis (March 13, 2021). "Checklist of Birds of Canada". Avibase bird checklists of the world. Retrieved August 12, 2021.
canadiangeographic.ca
nationalbird.canadiangeographic.ca
"The National Bird Project". The Royal Canadian Geographical Society and Canadian Geographic. Retrieved July 1, 2017.
cornell.edu
birds.cornell.edu
Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2016. The eBird/Clements Checklist of Birds of the World: v2016. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/ retrieved 11 August 2016.
doi.org
Chilton, G. (2020). Labrador Duck (Camptorhynchus labradorius), version 1.0. In Birds of the World (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.labduc.01. Retrieved February 24, 2021.
Gutiérrez, R. J. and D. J. Delehanty (2020). Mountain Quail (Oreortyx pictus), version 1.0. In Birds of the World (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.mouqua.01. Retrieved February 24, 2021.
Calkins, J. D., J. M. Gee, J. C. Hagelin, and D. F. Lott (2020). California Quail (Callipepla californica), version 1.0. In Birds of the World (A. F. Poole, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.calqua.01. Retrieved February 24, 2021.
Johnson, J. A., M. A. Schroeder, and L. A. Robb (2020). Greater Prairie-Chicken (Tympanuchus cupido), version 1.0. In Birds of the World (A. F. Poole, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.grpchi.01. Retrieved February 24, 2021.
Badyaev, A. V., V. Belloni, and G. E. Hill (2020). House Finch (Haemorhous mexicanus), version 1.0. In Birds of the World (A. F. Poole, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.houfin.01 Retrieved February 24, 2021.
iucnredlist.org
IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-2. http://www.iucnredlist.org. Downloaded on July 29, 2019.