Biology, conservation and management of waterfowl in Venezuela
1990
Gomez-Dallmeier, Francisco |
Cringan, Alexander T. |
Waterfowl
Les oiseaux du Zwin et du Zoute : réserve ornithologique du Zwin
1974
Lippens, Léon |
Wildfowl Trust : silver jubilee edition : Slimbridge guide
1977
Scott, Peter |
Ailes de canards : étude de productivité des canards
1975
Boyd, Hugh |
The Thames transformed : London's river and its waterfowl
1976
Harrison, Jeffery G. |
Grant, Peter |
Waterfowl tomorrow
1964
Linduska, Joseph L. |
Diseases of wild waterfowl
1981
Wobeser, Gary A. |