Wild Birds in City Parks / Being hints on identifying 145 birds, prepared primarily for the spring migration in Lincoln Park, Chicago

A practical field guide provides concise identification hints for 145 bird species commonly observed during spring migration in an urban park, stressing careful live observation of size, flight, posture, feeding behavior, song, and habitat. It outlines family traits to narrow identification (for example, woodpeckers, warblers, vireos), recommends a familiar species as a size standard, and includes a simple field key, checklist numbers, abundance charts, and a blank record sheet. The text favors patient, quiet watching with binoculars, advises against chasing birds, and emphasizes seasonal arrival times and typical haunts, with added coverage of shore and water species.