Female Ring-necked Duck resting on the water, some preening

Female Ring-necked Duck resting on the water, some preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Female Ring-necked Duck resting on the water

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Female Ring-necked Duck resting on the water

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Female Ring-necked Duck resting on the water

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Female Ring-necked Duck resting on the water

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Female Ring-necked Duck resting on the water

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Female Ring-necked Duck resting on the water with Falcated Duck

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Female Ring-necked Duck, preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Female Ring-necked Duck, preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Female Ring-necked Duck, preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Female Ring-necked Duck drinking water

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Female Ring-necked Duck, preening and diving

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Female Smews on the water, preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Red-necked Grebe, some preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Falcated Duck, resting and preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Saunders's Gull, resting and some preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Smews on the water, preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Harlequin Duck resting on rock

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Harlequin Duck resting on rock

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Ruddy Shelduck on the water, preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Ruddy Shelduck on the water, preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Female Greater Scaup on the water

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Smews on the water, bathing and preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male and female Smews on the water

Osaka Museum of Natural History

Movie Archives of Animal Behavior