A beautifully illustrated and easy-to-use field guide for beginning birders and experienced naturalists alike. The book covers 319 of Illinois' most abundant or notable bird species. Full-color illustrations accompany comprehensive information on each species. Features include a Quick Reference Guide which provides at-a-glance images of each bird organized by color-coded family groupings. You'll also find maps of the best birding sites and descriptions of a number of Illinois' most notable birding sites.