The waterfowl of the world : Vol. 3 - Eiders, Pochards, Perching Ducks, Scoters, Goldern-eyes and Mergansers, Stiff-tailed Ducks - Delacour Jean (LONDON COUNTRY LIFE LTD, 1959)
Keywords: The waterfowl of the world : Vol. 3 - Eiders, Pochards, Perching Ducks, Scoters, Goldern-eyes and Mergansers, Stiff-tailed Ducks