Enjoy the Chicago Tribune's most stunning images from 2011, from the historic Groundhog Day blizzard, to the Blagojevich trial, to the many ups and downs of Chicago's sports teams and a selection of newsworthy and noteworthy moments in between.
Video: Bird that should be in Caribbean spotted in Chicago
The black-throated blue warbler spotted in Chicago's Millennium Park should be ...
The black-throated blue warbler spotted in Chicago's Millennium Park should be be in its normal winter range, the Caribbean, snacking on insects. (Zbigniew Bzdak/ Chicago Tribune)