Literature type: Book
Language: English
Full reference: Madge, S. & Burn, H. 1988. Wildfowl. An identification guide to the ducks, geese and swans of the world. , Chrisopher Helm Ltd., London. Pp.:139-140.
Keywords: status
Literature type: Book
Language: English
Download:Full reference: Johnsgard, P.A. 1978. Ducks, geese and swans of the world. , University of Nebraska Press, Lincoln.
Keywords: status
Literature type: Book
Journal: -
Language: English
Download:Full reference: Delacour, J. 1954. The waterfowl of the world. , Arco Publ. Company, Inc., New York.
Keywords: status
Number of results: 13