Male Scaly-sided Merganser, scratching and preening

Male Scaly-sided Merganser, preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male Scaly-sided Merganser

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male Scaly-sided Merganser drinking water

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Common Goldeneye, preening and scratching

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Nordmann's greenshank, scratching and preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Common Merganser, preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Common Merganser, preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Steller's Sea Eagle, preening and scratching

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Red-breasted Merganser, preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Red-breasted Merganser, preening

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Red-breasted Merganser, preening, wing flapping

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Crested Honey Buzzard in Himeji City Zoo, preening and scratching

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Crested Honey Buzzard in Himeji City Zoo, preening and scratching

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Canvasback and Common Pochards, scratching and flapping

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Red-necked Stint, foraging and scratching

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Displacement scratching and displacement mutual feed

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Japanese Yellow Bunting, eating and scratching

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male and Female komusō

Honolulu Museum of Art

Honolulu Museum of Art Collection

Ruff, preening and foraging

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male Blue-and-white Flycatcher

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male Blue-and-white Flycatcher

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male Blue-and-white Flycatcher

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male Blue-and-white Flycatcher

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male Blue-and-white Flycatcher

Osaka Museum of Natural History

Movie Archives of Animal Behavior