Zusammenfassung
Several species of birds are expanding their breeding range in central Europe. Some of them have almost reached Switzerland. For new arrivals or former breeders to find a home here, it is critical that their habitats be sufficiently protected.
Projekte
Monitoring seltenen Brut- und Gastvögel
Das Monitoring seltene Brut- und Gastvögel verarbeitet pro Jahr über zwei Millionen Vogelbeobacht...
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