graphic citation: Hunt, Pamela D. and Bonita C. Eliason. 1999. Blackpoll
Warbler (Setophaga striata), The Birds of North America
Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the
Birds of North America Online: http://bna.birds.cornell.edu/bna/species/431
The answer, Justin (in Sheboygan, WI), is the Blackpoll Warbler.