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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 trsteniarik malý, trsteniarik bahenný, trsteniarik veľký, trsteniarik obyčajný, svrčiak zelenkavý and svrčiak slávikovitý and also pŕhľaviar čiernohlavý and kaňa močiarna. Breeding has been documented for bučiačik močiarny and chavkoš nočný. bažant obyčajný, jarabica poľná, chriašteľ vodný, hrdlička poľná and strnádka trstinová are regular or abundant breeding birds. Big flocks of škorec obyčajný use the reed beds for roosting at night, so by the end of May, it is worth to check them for pastier ružový. lastovička obyčajná also sleeps communally in the reed and attacks of jastrab krahulec and sokol lastovičiar can be seen regularly at dusk.
Overflying birds of prey, which can be seen quite regularly, include orol kráľovský, orliak morský, sokol rároh and kaňa popolavá. On migration, the area provides roosting habitat for bigger numbers of songbird migrants and surely has potential to produce rarity sightings as well. trasochvost žltohlavý 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 kaňa sivá and myšiak severský, but also a record of bučiak veľký.
Details
Access
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 and Habitat
Forest , Wetland , Grassland , Agriculture , Mud flats , Reedbeds , PlainConditions
Flat , Open landscapeCircular trail
YesIs a telescope useful?
Can be usefulGood birding season
All year roundBest time to visit
SpringRoute
Paved road , Narrow trail , Unpaved road , Wide pathDifficulty walking trail
EasyAccessible by
Foot , BicycleBirdwatching hide / platform
NoExtra info
Latest sightings can be seen on Ornitho.at, which is also recommended for submitting your personal sightings. See the clickable link below.