VRIES TG DE (1940) Short announcements: Winter visitors in Leeuwarden. LIMOSA 13 (1): 105-105.
Mallard Anas platyrhynchos Tufted Duck Aythya fuligula Common Pochard Aythya ferina Eurasian Wigeon Anas penelope Smew Mergellus albellus Great Crested Grebe Podiceps cristatus Eurasian Coot Fulica atra Little Grebe Tachybaptus ruficollis Red-breasted Merganser Mergus serrator Greater Scaup Aythya marila Tufted Duck Aythya fuligula
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