Witnesses called police at about 5:40 p.m. after seeing Karl Ziegler, 40, of 1987 Calla, shoot several rounds, Capt. Tab Jensen said. Based on their description, officers spotted Ziegler at Essington Road and Thomas Hickey Drive and finally stopped him a few blocks away at Wake Island and Maserati drives, Jensen said.After dropping his motorcycle and struggling with officers, Ziegler was taken into custody, he said. At one point, he asked, "What, it's illegal to shoot at birds?" Jensen said.Officers recovered a semi-automatic handgun from his waistband, he said.Ziegler was charged with reckless discharge of a firearm, aggravated unlawful use of a weapon, possession of a firearm without a valid FOID card, fleeing/attempting to elude police officers and driving with a suspended license.He is being held in the Will County jail pending a bond hearing.