Haas, Skye Christopher G. 2011. “Wilson’s Warbler (Cardellina pusilla).” In Michigan Breeding Bird Atlas II, edited by Allen T. Chartier, Jennifer J. Baldy, and John Brenneman. Kalamazoo, MI: Kalamazoo Nature Center. http://www.mibirdatlas.org/Portals/12/MBA2010/WIWAaccount.pdf