GD Johnson:
African black duck
GD Johnson:
American wigeon
GD Johnson:
American wigeon
GD Johnson:
American wigeon
GD Johnson:
Andean duck
GD Johnson:
Andean goose
GD Johnson:
Auckland Island teal - flightless
GD Johnson:
Aukland Island teal - flightless
GD Johnson:
Australasian shoveler
GD Johnson:
Australian grey teal
GD Johnson:
Australian wood duck
GD Johnson:
Barrow's goldeneye
GD Johnson:
Brazilian teal
GD Johnson:
Campbell Island teal - flightless
GD Johnson:
Canada goose
GD Johnson:
Canada goose
GD Johnson:
Canada goose
GD Johnson:
Canada goose (lesser)
GD Johnson:
Egyptian goose
GD Johnson:
Egyptian goose
GD Johnson:
Egyptian goose
GD Johnson:
Egyptian goose
GD Johnson:
Indian spot billed duck
GD Johnson:
Indian spot billed duck
GD Johnson:
Pacific black duck
GD Johnson:
Ross's and snow goose
GD Johnson:
West Indian whistling duck
GD Johnson:
West Indian whistling duck
GD Johnson:
ashy and ruddy-headed geese
GD Johnson:
ashy-headed goose
