Osprey tracking
Brian Dorr of the U.S. Department of Agriculture holds an osprey as Mark Martell of the Minnesota Audubon Society fits it with a tracking device at Langley Air Force Base, Va., on Wednesday, May 17, 2006. The department is collecting, tagging and tracking the birds to reduce conflicts with base aircraft. (U.S. Air Force photo/Airman 1st Class Christopher L. Ingersoll)