Photo collage of animal tagging and tracking

From left: Tagged sea lamprey (Credit: Andrea Miehls, USGS). USGS scientist tagging a duckling for a waterfowl study. Listening for radio signals from mule deer (Credit: Matthew Kauffman, USGS). Florida manatee with tracking device. USGS scientist Sarah Fitzgerald holding a surf scoter fitted with a satellite tag (Credit: Jonathan Fiely, USGS).