Stewart, Rebecca L. M., Katherine A. Bredin, Andrew R. Coutuier, Andrew G. Horn, Denis Lepage, Scott Makepeace, Philip D. Taylor, Marc-André Villard, and Rebecca M. Whittam, eds. 2015. Second Atlas of Breeding Birds of the Maritime Provinces. Sackville: Bird Studies Canada, Environment Canada, Natural History Society of Prince Edward Island, Nature New Brunswick, New Brunswick Department of Natural Resources, Nova Scotia Bird Society, Nova Scotia Department of Natural Resources, Prince Edward Island Department of Agriculture and Forestry. http://www.mba-aom.ca/pdfs/atlas_en_000-042.pdf