PHOTO
16637d9eb9edebd5f1a103badf83fc9c
By Courtesy of Bernard Brzezinski | Oct. 30, 2016Mark Sandfoss, a 32-year-old UF zoology doctoral student, holds up a Florida cottonmouth snake at Seahorse Key, Florida. Sandfoss is researching how the snakes are being affected by the loss of birds on the island.
