Australian waterfowl
1960
Waterfowl
A guide to Australian waterfowl
Goodrick, G. |
The mallard
1960
Madson, John |
Aves de ambientes acuáticos de Córdoba y centro de Argentina
1980
Nores, Manuel |
Yzurieta, Dario |
Ducks at a distance ; a waterfowl identification guide
1978
Hines, Bob |
The world of the Canada goose
1968
Van Wormer, Joe |
Catálogo de las aves uruguayas : anseriformes
1971
Barattini, Luis P. |
Escalante, Rodolfo |