Public Domain Mark Sum Courtesy of life.nbii.gov
NBII images
Category hierarchy: Management | Captive AnimalsDescription: Male mallard duck swimming on the surface of the water. Capture device: Canon EOS 30DLocality: Latitude: 3.892955560000000e+001; Longitude: -7.704969939999999e+001
Public Domain, U.S. Government Work USGS Northern Prairie Science Center Courtesy of life.nbii.gov
NBII images
Category hierarchy: ResearchDescription: Measuring the tarsus length of a mallard duckling at hatch.Capture device: Nikon SUPER COOLSCAN 5000 EDLocality: Latitude: 4.691054380000000e+001; Longitude: -9.870843570000000e+001
Public Domain, U.S. Government Work USGS Northern Prairie Science Center Courtesy of life.nbii.gov
NBII images
Category hierarchy: ResearchDescription: Seasonal biological technician Alex Pritchard and Research Biologist Pam Pietz weighing a 2-week old mallard duckling at the experimental ponds.Capture device: Nikon SUPER COOLSCAN 5000 EDLocality: Latitude: 4.691054380000000e+001; Longitude: -9.870843570000000e+001
Public Domain, U.S. Government Work USGS Northern Prairie Wildlife Research Center Courtesy of life.nbii.gov
NBII images
Category hierarchy: Special Collections | U.S. Geological SurveyDescription: Day old mallard duckling in hand, color-marked with flagging.Capture device: Nikon SUPER COOLSCAN 5000 EDLocality: Latitude: 4.691054380000000e+001; Longitude: -9.870843570000000e+001