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Population losses in the mallard, black duck, and blue-winged teal

Our ducks a history of American ducks, nesting, roosting, feeding, and playing grounds; habits throughout the year.

How to know the ducks, geese and swans of North America all the species being grouped according to size and color.

Duck dollars successful experience of the Weber brothers, of Massachusetts ...

• Sixteen years'' experience in artificial poultry-raising
  Auteur(s): Rankin, James. ,  Myrick, Herbert
• Natural and artificial duck culture
  Auteur(s): Rankin, James.

• Poultry diseases and their remedies
  Auteur(s): Blair, J. Gaylord. [from old catalog] ,  Cavanaugh, D. D., [from old catalog]