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La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	Observations from March 2009 to May 2009
Auteurs :	T. Baudoux, Auteur ; A. Burnel, Auteur ; A. De Broyer, Auteur ; A. Dirick, Auteur ; P. Duchesne, Auteur ; P. Loly, Auteur ; T. Mariage, Auteur ; T. Ory, Auteur ; J.-P. Jacob, Auteur
Type de document :	Article
Dans :	Aves (47(1) MAR 2010)
Article en page(s) :	43-64
Résumé :	Springtime 2009 was exceptionally warm (the second warmest since 1833, after 2007). The most noteworthy rarities during the period were the following: Pallid Harrier Circus macrourus, Short-toed Eagle Circaetus gallicus, European Stone-Curlew Burhinus oedicnemus, Pectoral Sandpiper Calidris melanotos, Great Snipe Gallinago media, Iceland Gull Larus glaucoides, Greater Short-toed Lark Calandrella brachydactyla, Red-throated Pipit Anthus cervinus and River Warbler Locustella fluviatilis. Small influxes of Black-headed Yellow Warbler Motacilla flava thunbergi and Great Reed Warbler Acrocephalus arundinaceus were also noted.The possible influence of the relatively strong winter 2008-09 is difficult to demonstrate. Some species seems to have suffered (Common Kingfisher Alcedo atthis, Winter Wren Troglodytes troglodytes, Common Stonechat Saxicola torquatus, Great Grey Shrike Lanius excubitor, some tits) but other less that it was feared, such as Cetti's Warbler Cettia cetti.First news on reproduction show the good health of the breeding population of Herons in Harchies (7 species!) and a stable situation for other waterbirds. Main other news for the breeding season were another breeding case of Ferruginous Duck Aythya nyroca, established territories for 3 species of Harrier, continuous increase of the Peregrine Falco peregrinus population, breeding cases report of Pied Wagtail Motacilla alba yarrellii and Great Reed Warbler Acrocephalus arundinaeus and high densities of Pied Flycatcher in Southern Ardenne forests. Unfortunately, Black Grouse Tetrao tetrix is still in continuous decline and reproduction success has been mediocre.

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