Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 1
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 2
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 3
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 4
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 5
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 6
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 7
Herman Giethoorn:
Tundra Swan, Cygnus columbianus, 8
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 9
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 10
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 11
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 12
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 13
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 14
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 15
Herman Giethoorn:
Tundra Swans, Cygnus columbianus, 16
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (14)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (9)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (16)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (2)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (3)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (4)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (12)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (13)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (1)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (7)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (11)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (21)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (19)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (18)
