Submitted by: Tracy Moy

Organization: Arkansas Game and Fish Commission

Description: Satellite Mallard Tracking- During spring 2004, Arkansas Game and Fish Commission biologists placed satellite transmitters on 28 mallards. These transmitters weigh only 30 grams (less than 10% of a duck's body weight), and are designed to fit as a backpack. They communicate with satellites in orbit around the earth to determine their locations. The ability to communicate with satellites also allows AGFC to collect data without recapturing the animal. The transmitter only becomes active for a short period of time every two to four days. During the active period it collects as many locations as possible within the pre-programmed time frame. The acquired locations are then sent to the AGFC, where the duck's progress is mapped using Geographical Information System (GIS).