This field guide contains 111 species of Illinois birds, and provides an easy-to-use color guide. See a yellow bird and don’t know what it is? Just go the the yellow section of this book for quick identification. The Birds of Illinois Field Guide features: range maps showing where in Illinois you’ll find the birds in summer, winter, or year-round; full-page photos with corresponding full-page descriptions; a useful compare feature; and Stan's Notes, which include naturalist information and interesting facts.