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Description
During late April and early May hundreds of Oie des moissons and Oie de la toundra are staging at lake Ostträsket. Most other species of geese also occurr in smaller numbers, as well as Cygne chanteur and Grue cendrée. Until a few decades Oie naine was regular here but it is nowadays very rare. Dabbling ducks may stay in good numbers, especially Sarcelle d'hiver and Canard colvert. Tétras lyre are lekking on the fields around Tällåsen.
There are plenty of Grue cendrée also in August and September (up till several thousands). Oie cendrée is the most numerous goose species during the autumn. Raptors like Pygargue à queue blanche, Busard Saint-Martin, Faucon émerillon or Faucon pèlerin are regular. Busard pâle is more or less annual. Often interesting passerines feed on the fields, as Bruant lapon or Bruant des neiges.
Though a visit may prove nice at any time of year, the summer months yield less birds. The amount of breeding birds in the lake is low, but it is used by feeding Mouette pygmée, and Faucon hobereau and Balbuzard pêcheur are not uncommon.
Détails
Accès
The only practical way to access Ostträsket is by Tällåsen in the western part. There is an informal vantage point in the village, as well as a birding tower by the meadows. To see Grue cendrée or geese during the days you may want to drive around on the public roads between Drängsmark, Kågegården and Kåge.
Terrain et Habitat
Forêt , Zone humide , Lac , AgricultureConditions
Plat , Marécageux , Paysage ouvertBoucle
NonAvez-vous besoin d'une longue-vue?
OuiSaison idéale pour observer
Printemps , AutomneMeilleure période pour une visite
Migration printanière , Automne , PrintempsItinéraire
Route non pavée , Sentier étroitNiveau de difficulté de l'itinéraire
FacileAccessible via
A pied , VoitureObservatoire/hutte d'observation
OuiInformations supplémentaires
The geese and Grue cendrée usually spend the night on the lake's ice or in the flooded meadows, and fly to the fields when sun rises. They tend to feed in a large area around the villages of Drängsmark and Kåge, but often near the lake at Tällåsen which is also the best spot to see them flying to and from the night quarters. The best time to visit is about April 20th until May 5th, or in autumn around September 1st-20th.