WALTERS J (1981) The breeding birds inthe dune area of the Amsterdamse Waterleidingen. LIMOSA 54 (4): 109-116.

The population of breeding birds in a dune area (3372 ha) near Zandvoort, the Netherlands, during 1971-78, (tab. 1) consisted of 15-24000 pairs in 104 species. Comparisons are made with the estimated breeding stock in Meyendel (a dune area near The Hague) and in the Netherlands as a whole. It is concluded that the Zandvoort area has a great ornithological value and should be managed accordingly. The Amsterdam Municipal Waterboard whose first responsibility is the supply of good drinking-water, recently took some steps to improve nature management in this area. Positive and negative changes in breeding population, part of them caused by the works for the production of drinking-water (fig. I), are described (fig. 3-5). In the most affected parts of the area, where water from the river Lek is infiltrated, on c. 13% of the investigated area e. 34% of the breeding birds are concentrated, equalling to e. 59% of their biomass. Common Starling Sturnus vulgaris House Sparrow Passer domesticus Eurasian Tree Sparrow Passer montanus Common Chaffinch Fringilla coelebs European Greenfinch Carduelis chloris European Goldfinch Carduelis carduelis Common Linnet Carduelis cannabina Unidentified Redpoll Carduelis cabaret/flammea Yellowhammer Emberiza citrinella Common Reed Bunting Emberiza schoeniclus Little Grebe Tachybaptus ruficollis Great Crested Grebe Podiceps cristatus Black-necked Grebe Podiceps nigricollis Mute Swan Cygnus olor Egyptian Goose Alopochen aegyptiaca Common Shelduck Tadorna tadorna Gadwall Anas strepera Common Teal Anas crecca Mallard Anas platyrhynchos Garganey Anas querquedula Northern Shoveler Anas clypeata = Spatula clypeata Common Pochard Aythya ferina Tufted Duck Aythya fuligula Eurasian Sparrowhawk Accipiter nisus Common Kestrel Falco tinnunculus Eurasian Hobby Falco subbuteo Grey Partridge Perdix perdix Common Pheasant Phasianus colchicus Water Rail Rallus aquaticus Common Moorhen Gallinula chloropus Eurasian Coot Fulica atra Eurasian Oystercatcher Haematopus ostralegus Pied Avocet Recurvirostra avosetta Little Ringed Plover Charadrius dubius Northern Lapwing Vanellus vanellus Common Snipe Gallinago gallinago Eurasian Woodcock Scolopax rusticola Black-tailed Godwit Limosa limosa Eurasian Curlew Numenius arquata Common Redshank Tringa totanus Black-headed Gull Chroicocephalus ridibundus = Larus ridibundus Mediterranean Gull Ichthyaetus melanocephalus = Larus melanocephalus Common Gull Larus canus canus Lesser Black-backed Gull Larus fuscus European Herring Gull Larus argentatus Common Tern Sterna hirundo Stock Dove Columba oenas Common Wood Pigeon Columba palumbus Eurasian Collared Dove Streptopelia decaocto European Turtle Dove Streptopelia turtur Common Cuckoo Cuculus canorus Little Owl Athene noctua Tawny Owl Strix aluco Long-eared Owl Asio otus European Green Woodpecker Picus viridis Black Woodpecker Dryocopus martius Great Spotted Woodpecker Dendrocopos major Lesser Spotted Woodpecker Dendrocopos minor Crested Lark Galerida cristata Wood Lark Lullula arborea Eurasian Skylark Alauda arvensis Sand Martin Riparia riparia Barn Swallow Hirundo rustica Tree Pipit Anthus trivialis Meadow Pipit Anthus pratensis White Wagtail Motacilla alba Winter Wren Troglodytes troglodytes Dunnock Prunella modularis European Robin Erithacus rubecula Common Nightingale Luscinia megarhynchos Common Redstart Phoenicurus phoenicurus Whinchat Saxicola rubetra British Stonechat Saxicola rubicola = Saxicola torquata Northern Wheatear Oenanthe oenanthe Common Blackbird Turdus merula Song Thrush Turdus philomelos Mistle Thrush Turdus viscivorus Common Grasshopper Warbler Locustella naevia Sedge Warbler Acrocephalus schoenobaenus Marsh Warbler Acrocephalus palustris European Reed Warbler Acrocephalus scirpaceus Great Reed Warbler Acrocephalus arundinaceus Icterine Warbler Hippolais icterina Lesser Whitethroat Sylvia curruca Common Whitethroat Sylvia communis Garden Warbler Sylvia borin Blackcap Sylvia atricapilla Wood Warbler Phylloscopus sibilatrix Common Chiffchaff Phylloscopus collybita Willow Warbler Phylloscopus trochilus Goldcrest Regulus regulus Spotted Flycatcher Muscicapa striata Long-tailed Tit Aegithalos caudatus Marsh Tit Poecile palustris Crested Tit Lophophanes cristatus Coal Tit Periparus ater Blue Tit Cyanistes caeruleus Great Tit Parus major Eurasian Nuthatch Sitta europaea Short-toed Treecreeper Certhia brachydactyla Eurasian Golden Oriole Oriolus oriolus Eurasian Jay Garrulus glandarius Eurasian Magpie Pica pica Western Jackdaw Coloeus monedula

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