JUNGE GCA (1941) Results of the collaborative study on bird migration, established by the National Museum of Natural History in Leiden, XXVIII. LIMOSA 14 (1): 42-53.

Great Cormorant Phalacrocorax carbo Grey Heron Ardea cinerea Little Bittern Ixobrychus minutus Eurasian Bittern Botaurus stellaris Taiga Bean Goose Anser fabalis Mallard Anas platyrhynchos Common Teal Anas crecca Northern Shoveler Anas clypeata = Spatula clypeata Western Marsh Harrier Circus aeruginosus Eurasian Sparrowhawk Accipiter nisus Common Kestrel Falco tinnunculus Common Moorhen Gallinula chloropus European Golden Plover Pluvialis apricaria Northern Lapwing Vanellus vanellus Eurasian Oystercatcher Haematopus ostralegus Black-tailed Godwit Limosa limosa Eurasian Curlew Numenius arquata Common Snipe Gallinago gallinago European Herring Gull Larus argentatus Black-headed Gull Chroicocephalus ridibundus = Larus ridibundus Common Tern Sterna hirundo Stock Dove Columba oenas European Turtle Dove Streptopelia turtur Barn Owl Tyto alba Long-eared Owl Asio otus Short-eared Owl Asio flammeus Barn Swallow Hirundo rustica Little Owl Athene noctua Mistle Thrush Turdus viscivorus Song Thrush Turdus philomelos Common Blackbird Turdus merula Northern Wheatear Oenanthe oenanthe Common Redstart Phoenicurus phoenicurus European Robin Erithacus rubecula Dunnock Prunella modularis Common Whitethroat Sylvia communis Eurasian Skylark Alauda arvensis Great Grey Shrike Lanius excubitor Great Tit Parus major Eurasian Golden Oriole Oriolus oriolus Common Chaffinch Fringilla coelebs Brambling Fringilla montifringilla Eurasian Siskin Carduelis spinus Common Linnet Carduelis cannabina

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