Grup d'Anellament de Calldetenes-Osona

From 1986, we have been monitoring the common swift (Apus apus) breeding colony in Pere III medieval wall in Vic.

Every year, we check the nests and ring the chicks and the adults. During these years, we have recovered many adults even recording a 12 years old bird. Through this ringing scheme we have colaborated in several studies.

Falciot negre (Apus apus)

Research work