Because of the original name of the Chicago Bears. The Decatur Staley's.
The Chicago Bears Mascot is a bear named Staley. the name comes from the original team named the Decatur Staleys. Staley da Bear is the mascot for the team called the Chicago Bears. Before Staley da Bear there were other official mascots. The mascot is well known.
Staley da Bear is the name of the Chicago Bears' mascot. He is named after A. E. Staley, who originally founded the Bears' franchise with George S. Halas in 1919. For more information: http://www.answers.com/topic/staley-da-bear
Chicago chose the name bears because when the moved to chicago they were chicago staleys,and they changed there name to bears as a follow up to chicago's baseball team the chicago cubs.
The Chicago Bulls mascot is named Benny the Bull.
Decatur Staleys, then Chicago Staleys, and then Chicago Bears!
The Chicago Bears are also known as "The Monsters of the Midway".
The Chicago Bears play at Soldier Field.
the Chicago Bears
The Chicago Bears.