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Description
Built in 2004, the retention basin undergoes an ongoing succession and change of habitat types. After loosing it's open character through the establishment of willow, alder and reed stands, it is now a very diverse, mostly flooded area of open water, reed beds and young alluvial forest. The construction activity of Eurasian Beavers alters the landscape regularly and creates more open habitats, where the beaver fells the young trees.
The basin holds significant numbers of different warbler species such as Phragmite des joncs, Rousserolle effarvatte, Rousserolle turdoïde, Rousserolle verderolle, Locustelle tachetée and Locustelle luscinioïde and also Tarier pâtre and Busard des roseaux. Breeding has been documented for Blongios nain and Bihoreau gris. Faisan de Colchide, Perdrix grise, Râle d'eau, Tourterelle des bois and Bruant des roseaux are regular or abundant breeding birds. Big flocks of Étourneau sansonnet use the reed beds for roosting at night, so by the end of May, it is worth to check them for Étourneau roselin. Hirondelle rustique also sleeps communally in the reed and attacks of Épervier d'Europe and Faucon hobereau can be seen regularly at dusk.
Overflying birds of prey, which can be seen quite regularly, include Aigle impérial, Pygargue à queue blanche, Faucon sacre and Busard cendré. On migration, the area provides roosting habitat for bigger numbers of songbird migrants and surely has potential to produce rarity sightings as well. Bergeronnette citrine has already been recorded, but the area is not covered well by birders, so most rarities surely pass unnoticed.
Winter visitors include the regular species Busard Saint-Martin and Buse pattue, but also a record of Butor étoilé.
Détails
Accès
Access is easiest by car, but public busses service Roseldorf station which is approx. a 10 minute walk to the edge of the basin. Please follow the cirular route (2 km) and do not leave the track in order to not disturb any wildlife. It is definitely not recommended to enter the basin itself, as it is flooded in huge areas anyways. Click on the P in the map for directions.
Terrain et Habitat
Forêt , Zone humide , Prairie , Agriculture , Vasières , Roselière , PlaineConditions
Plat , Paysage ouvertBoucle
OuiAvez-vous besoin d'une longue-vue?
Peut être utileSaison idéale pour observer
Toute l'annéeMeilleure période pour une visite
PrintempsItinéraire
Route pavée , Sentier étroit , Route non pavée , Sentier largeNiveau de difficulté de l'itinéraire
FacileAccessible via
A pied , VéloObservatoire/hutte d'observation
NonInformations supplémentaires
Latest sightings can be seen on Ornitho.at, which is also recommended for submitting your personal sightings. See the clickable link below.