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Article
S. Haftorn 1965Det Kongelige Norske Videnskabers Selskabs Forhandlinger, 38(10)
Article
S. Haftorn 1959Det Kongelige Norske Videnskabers Selskabs Forhandlinger, 32(18)
Article
S. Haftorn 1959Det Kongelige Norske Videnskabers Selskabs Forhandlinger, 32(21)
Article
S. Haftorn, AuteurThe study was carried out in the alpine birch region in central Norway. According to flock attachment and behaviour juvenile Willow Tits were classified into five categories: regulars (permanent flock members), vanishers (Rock members disappeari[...]
Article
S. Haftorn, AuteurThe body mass in tits increases in autumn towards a winter peak in December-January and then declines towards spring. I studied the winter fattening in the Willow Tit Parus montanus at two different sites in central Norway. Body mass data were c[...]
