Displacement scratching and displacement mutual feed

Nordmann's greenshank, scratching and preening

Common Goldeneye, preening and scratching

Canvasback, drinking water and scratching

Northern Lapwings, foraging and scratching

Northern Lapwings, preening and scratching

Canvasback, drinking water and scratching

Canvasback and Common Pochards, scratching and flapping

S.B.B.V.H.-Loｔus Sutra "6）Paper Between Scratching and Scratching No.6"

Steller's Sea Eagle, preening and scratching

Japanese Yellow Bunting, eating and scratching

Red-necked Stint, foraging and scratching

Steller's Sea Eagle, scratching and preening

Japanese Yellow Bunting, scratching and defecation

Steller's Sea Eagle, preening and scratching

Male Scaly-sided Merganser, scratching and preening

Eastern Spot-billed Duck, scratching and preening

Baer's Pochard, scratching and moving on the water

Design and evaluation of coteries for distributed mutual exclusion

CRUISER OF ABOUT 10,000 TONS DISPLACEMENT AND 33.5 KNOTS SPEED

Battleship of about 35,000 Tons Displacement and 24 Knots Speed

Steller's Sea Eagle, scratching and tucked up a foot

Netsuke depicting Priest and Scepter (Nyoe), Scratching his Back

S.B.B.V.H.-Loｔus Sutra "10）Paper Between Touching and Scratching"

Fledgling of Japanese Paradise Flycatcher, preening, scratching and fell