The great autumn bird migration has begun. Bird watchers are out in force looking for species traveling south from Canada to winter spots in Mexico and central America. In another of our occasional series on "Unknown Illinois," Audubon Society member Matt Winks (pictured) takes us on a trek through Bloomington, Illinois' Ewing II Park in search of singing warblers.
Now is the best time to see warblers, thrushes and vireos. Next month, sparrows will begin their trek south, followed by ducks, geese and other water fowl in November. There's more information on birding at National Audubon Society and at the local chapter of John Wesley Powell Audubon Society.