BERGH LMJ VAN DER (1989) Waterfowl census in January 1987. LIMOSA 62 (2): 75-80.

In this paper the results of the waterfowl census in the Netherlands (fig. I) in January 1987 (very severe frost, but hardly any snowfall) are given. The total number of waterfowl amounted to I 086 285 birds covering 27 species and 521 areas (fig. 2). Most numerous species were Mallard, Coot, Wigeon, and Eider, each of them with more than 100 000 birds (tab. I). Of other species counted the very large number (3429) of Whooper Swans, mainly concentrated in the area of the large rivers and in the 80 IJsselmeer area, must be mentioned. A synopsis is given for the numbers of Mallard, Wigeon, Coot (fig. 3), and diving ducks (tab. 2) during the five severe winters in 1979-87. ##### Little Grebe Tachybaptus ruficollis Great Crested Grebe Podiceps cristatus Mute Swan Cygnus olor Bewick's Swan Cygnus bewickii Whooper Swan Cygnus cygnus Common Shelduck Tadorna tadorna Eurasian Wigeon Anas penelope Gadwall Anas strepera Common Teal Anas crecca Mallard Anas platyrhynchos Northern Pintail Anas acuta Garganey Anas querquedula Northern Shoveler Anas clypeata = Spatula clypeata Red-crested Pochard Netta rufina Common Pochard Aythya ferina Ferruginous Duck Aythya nyroca Tufted Duck Aythya fuligula Greater Scaup Aythya marila Common Eider Somateria mollissima Long-tailed Duck Clangula hyemalis Black Scoter Melanitta nigra Velvet Scoter Melanitta fusca Common Goldeneye Bucephala clangula Smew Mergellus albellus Red-breasted Merganser Mergus serrator Goosander Mergus merganser Common Moorhen Gallinula chloropus Eurasian Coot Fulica atra

[free pdf] [dutch summary]