pp. 77-85 in Wilber, C. D. Transactions of the Illinois Natural History Society, 1861.
by Robert Ridgway, first published in 1889,
Newsletter of the Illinois, Wisconsin, and Michigan Audubon Societies, 1898-1914
Photo taken May 1908, published in "Half a Century Census" INHS Reports no. 14
by Isaac E. Hess, in Transactions of the Illinois State Academy of Science vol. 3, 1910.
Musical scores for ten Illinois bird species by Anne Wakely Jackson, from Transactions of the Illinois State Academy of Science, vol. 12 (1919).
Photographed August 1963 by INHS photographer Wilmer D. Zehr, published in Illinois Wildlife vol. 18(4), p. 15.
Published 1992 to date. Online in the Biodiversity Heritage Library through 2014, later volumes available at Funk ACES Library
INHS Special Publication no. 26 (2004)
Illinois Natural History Survey Special Publication no. 31 (2010)
A digital exhibit and guide
An Illinois Natural History Survey volunteer-based program for statewide monitoring
This guide includes