Version 2.0 of the study will add bunny scent to the stuffed rabbits if motion and heat aren’t enough to fool the pythons in Florida.

The annual Florida Python Challenge starts July 11 at 12:01 a.m. ET and ends at 5 p.m. July 20. Participants can win more than $25,000 in prizes as they remove invasive Burmese pythons from South ...