JUNGE GCA (1951) Results of the ringstudy on bird migration, set by Leiden, the National Museum of Natural History XXXVII (1950), Part 1. LIMOSA 24 (3): 113-131.

Results of the ringstudy on bird migration, set by the National Museum of Natural History in Leiden, XXXVII (1950), Ie part. Great Cormorant Phalacrocorax carbo Grey Heron Ardea cinerea Little Bittern Ixobrychus minutus Mute Swan Cygnus olor Mallard Anas platyrhynchos Common Teal Anas crecca Garganey Anas querquedula Eurasian Wigeon Anas penelope Northern Pintail Anas acuta Northern Shoveler Anas clypeata = Spatula clypeata Western Marsh Harrier Circus aeruginosus Common Shelduck Tadorna tadorna Gadwall Anas strepera Hen Harrier Circus cyaneus Northern Goshawk Accipiter gentilis Eurasian Sparrowhawk Accipiter nisus Common Buzzard Buteo buteo European Honey Buzzard Pernis apivorus Common Kestrel Falco tinnunculus Common Moorhen Gallinula chloropus Eurasian Coot Fulica atra Kentish Plover Charadrius alexandrinus Eurasian Oystercatcher Haematopus ostralegus Pied Avocet Recurvirostra avosetta Ruff Philomachus pugnax Northern Lapwing Vanellus vanellus Black-tailed Godwit Limosa limosa Eurasian Curlew Numenius arquata

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