The all-day event Saturday will take advantage of a sweet spot in the migratory timeline, with organizers expecting to record outgoing and incoming species.
Dreaded Invaders Found in Chicago Lagoons
The Shedd Aquarium unveils three giant new Bighead Asian Carp. But just where were they caught, and what does it tell us about the battle to keep these invaders away from the Great Lakes?
New Data for Cook County Released
More than 20 percent of Chicagoans don't know where their next meal is coming from. A new study by the Greater Chicago Food Depository reveals hunger across Cook County. Carol Marin takes a look at who's being hit hardest and why.