References

• Parker, J. W. 1999. Mississippi Kite (Ictinia mississippiensis). The Birds of North America. Edited by P. G. Rodewald. Retrieved from: https:// DOI.org/10.2173/bna.402.
• Parsons, K. C., and T. L. Master. 2000. Snowy Egret (Egretta thula). The Birds of North America. Edited by A. F. Poole and F. B. Gill. Retrieved from: https://doi.org/10.2173/bna.489.
• Partners in Flight. 2012. Species Assessment Database. Retrieved (2016/10/05) from http://rmbo.org/pifassessment/Database.aspx.
• Paruk, J. D., T. J. Cade, E. C. Atkinson, P. Pyle, and M. A. Patten. 2017. Northern Shrike (Lanius excubitor). The Birds of North America. Edited by P. G. Rodewald. Retrieved from: https:// DOI.org/10.2173/bna.norshr.03.
• Patten, M. A., and G. W. Lasley. 2000. Range Expansion of the Glossy Ibis in North America. North America Birds 54(3):241-247.
• Payne, R. B. 2006. Indigo Bunting (Passerina cyanea). The Birds of North America. Edited by A. F. Poole. Retrieved from: https://birdsna.org/Species-Account/bna/species/indbun/introduction.
• Pearce, J., M. L. Mallory, and K. Metz. 2015. Common Merganser (Mergus merganser). The Birds of North America. Edited by P. G. Rodewald. Retrieved from: https://birdsna.org/Species-Account/bna/species/commer DOI: 10.2173/bna.442.
• Peck, M. K. 2007. Dunlin (Calidris alpina). Pages 242-243 in The Atlas of the Breeding Birds of Ontario, 2001-2005. Edited by M. D. Cadman, D. A. Sutherland, G. G. Beck, D. Lepage, and A. R. Couturier. Bird Studies Canada, Environment Canada, Ontario Field Ornithologists, Ontario Ministry of Natural Resources, and Ontario Nature, Toronto, Ontario.
• Peer, B. D., and E. K. Bollinger. 1997. Common Grackle (Quiscalus quiscula). The Birds of North America. Edited by P. G. Rodewald. Retrieved from: https://birdsna.org/Species-Account/bna/species/comgra DOI: 10.2173/bna.271.
• Pierotti, R. J., and T. P. Good. 1994. Herring Gull (Larus argentatus). The Birds of North America. Edited by P. G. Rodewald. Retrieved from: https://birdsna.org/Species-Account/bna/species/hergul DOI: 10.2173/bna.124.
• Pitocchelli, J. 2011. Mourning Warbler (Geothlypis philadelphia). The Birds of North America. Edited by P. G. Rodewald. Retrieved from: https://birdsna.org/Species-Account/bna/species/mouwar DOI: 10.2173/bna.72.
• Pitocchelli, J., J. Jones, D. Jones, and J. Bouchie. 2012. Connecticut Warbler (Oporornis agilis). The Birds of North America. Edited by P. G. Rodewald. Retrieved from: https:// DOI.org/10.2173/bna.320.
• Poling, T. D., and S. E. Hayslette. 2006. Dietary overlap and foraging competition between Mourning Doves and Eurasian Collared-Doves. Journal of Wildlife Management 70 (4):998-1004.
• Pollet, I. L., D. Shutler, J. W. Chardine, and J. P. Ryder. 2012. Ring-billed Gull (Larus delawarensis). The Birds of North America. Edited by P. G. Rodewald. Retrieved from: https:// DOI.org/10.2173/bna.33.
• Porneluzi, P., M. A. Van Horn, and T. M. Donovan. 2011. Ovenbird (Seiurus aurocapilla). The Birds of North America. Edited by P. G. Rodewald. Retrieved from: https:// DOI.org/10.2173/bna.88.
• Poulin, J.-F., É. D'Astous, M.-A. Villard, S. J. Hejl, K. R. Newlon, M. E. McFadzen, J. S. Young, and C. K. Ghalambor. 2013. Brown Creeper (Certhia americana). The Birds of North America. Edited by P. G. Rodewald. Retrieved from: https://birdsna.org/Species-Account/bna/species/brncre.
• Poulin, R. G., L. D. Todd, E. A. Haug, B. A. Millsap, and M. S. Martell. 2011. Burrowing Owl (Athene cunicularia). The Birds of North America. Edited by A. F. Poole. Retrieved from: https://doi.org/10.2173/bna.61
• Powell, A. N., and R. S. Suydam. 2012. King Eider (Somateria spectabilis). The Birds of North America. Edited by P. G. Rodewald. Retrieved from: https:// DOI.org/10.2173/bna.491.
• Power, H. W., and M. P. Lombardo. 1996. Mountain Bluebird (Sialia currucoides). The Birds of North America. Edited by A. F. Poole and F. B. Gill. Retrieved from: https://doi.org/10.2173/bna.222.
• Prairie Climate Atlas. 2016. University of Winnipeg. Retrieved from: http://climateatlas.ca/home.html
• Preston, C. R., and R. D. Beane. 2009. Red-tailed Hawk (Buteo jamaicensis). The Birds of North America. Edited by P. G. Rodewald. Retrieved from: https://birdsna.org/Species-Account/bna/species/rethaw  DOI: 10.2173/bna.52.