Several monarch butterflies gather on a plant in Corkscrew Swamp Sanctuary near Naples, Fla., Tuesday, Oct. 9, 2012, near one of the public area sunflower fields. Corkscrew Swamp Sanctuary is a 13,000 acre Preserve and is home to the largest remaining stand of old growth bald cypress in North America. A 2.25 mile boardwalk trail is open to the public daily. (AP Photo/J Pat Carter)