Herman Giethoorn:
Tundra Swans, Cygnus columbianus (1)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (6)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (25)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (27)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (34)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (30)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (64)
Herman Giethoorn:
Tundra Swan, Cygnus columbianus (1)
Herman Giethoorn:
Tundra Swan, Cygnus columbianus (3)
Herman Giethoorn:
Tundra Swan, Cygnus columbianus (7)
Herman Giethoorn:
Tundra Swan, Cygnus columbianus (8)
Herman Giethoorn:
Tundra Swan, Cygnus columbianus (10)
Herman Giethoorn:
Tundra Swan, Cygnus columbianus (7)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (11)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (14)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (17)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (35)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (38)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (39)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (47)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (50)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (51)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (52)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (53)
Herman Giethoorn:
Tundra Swans, Cygnus columbianus (61)