©
Douglas B. Koch: American Black Duck2 Plum Is. MA 12:4:13
©
Douglas B. Koch: American Black Duck Ossining NY 2909
©
Douglas B. Koch: American Wigeon2 Anchorage AK 6:7:12
©
Douglas B. Koch: American Wigeon3 Anchorage AK 6:7:12
©
Douglas B. Koch: American Wigeon4 Anchorage AK 6:7:12
©
Douglas B. Koch: American Wigeon5 Anchorage AK 6:7:12
©
Douglas B. Koch: American Wigeon Anchorage AK 6:7:12
©
Douglas B. Koch: Ashy-headed Goose2 Tierra del Fuego NP 11:23:13
©
Douglas B. Koch: Ashy-headed Goose3 Tierra del Fuego NP 11:23:13
©
Douglas B. Koch: Ashy-headed Goose4 Tierra del Fuego NP 11:23:13
©
Douglas B. Koch: Ashy-headed Goose5 Tierra del Fuego NP 11:23:13
©
Douglas B. Koch: Ashy-headed Goose6 Tierra del Fuego NP 11:23:13
©
Douglas B. Koch: Ashy-headed Goose7 Tierra del Fuego NP 11:23:13
©
Douglas B. Koch: Ashy-headed Goose8 Tierra del Fuego NP 11:23:13
©
Douglas B. Koch: Ashy-headed Goose Tierra del Fuego NP 11:23:13
©
Douglas B. Koch: Australasian Shoveler2 Rawene NZ 11:2:12
©
Douglas B. Koch: Australasian Shoveler2 St. Anne's Lagoon Cheviot NZ 11:16:12
©
Douglas B. Koch: Australasian Shoveler3 Rawene NZ 11:2:12
©
Douglas B. Koch: Australasian Shoveler4 Rawene NZ 11:2:12
©
Douglas B. Koch: Australasian Shoveler5 Rawene NZ 11:2:12
©
Douglas B. Koch: Australasian Shoveler6 Rawene NZ 11:2:12
©
Douglas B. Koch: Australasian Shoveler7 Rawene NZ 11:2:12
©
Douglas B. Koch: Australasian Shoveler Rawene NZ 11:2:12
©
Douglas B. Koch: Australasian Shoveler St. Anne's Lagoon Cheviot NZ 11:16:12
©
Douglas B. Koch: Barnacle Goose3 Newburyport MA 11:11:11
©
Douglas B. Koch: Barnacle Goose4 Newburyport MA 11:11:11
©
Douglas B. Koch: Barnacle Goose7 Newburyport MA 11:11:11
©
Douglas B. Koch: Barnacle Goose15 Newburyport MA 11:11:11
©
Douglas B. Koch: Barnacle Goose18 Newburyport MA 11:11:11
©
Douglas B. Koch: Barnacle Goose19 Newburyport MA 11:11:11