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Article
L. Naef-daenzer 1984Z Jagdwiss 30(2) p117-123
Article
L. Naef-daenzer 1984Z Jagdwiss 30(3) p184-192
Article
M. Fischbacher, Auteur ; B. Naef-daenzer, Auteur ; L. Naef-daenzer, AuteurDans Ardea (86(1) 1998)Caterpillar frass dropping collections are compared with caterpillar density and biomass as estimated by branch samples tal,en from the same trees. A multiple regression model reveals (1) a linear relationship between mean caterpillar mass and f[...]
Article
L. Naef-daenzer, Auteur ; R. G. Nager, Auteur ; L. F. Keller, Auteur ; B. Naef-daenzer, AuteurWe analysed egg-hatching rates, the resulting clutch size and fledging weights in relation to prey abundance in Great Tits Parus major in a mixed deciduous forest in Switzerland. We show that the number of oaks within 20 m from the nest affected[...]
Article
L. Naef-daenzer, Auteur ; B. Naef-daenzer, Auteur ; R. G. Nager, AuteurWe studied the nestling diet and the foraging performance of Great Tits in relation to prey abundance in the field. Numerous experimental studies present data on foraging decisions in captive Great Tits. Little is, however, known about prey sele[...]
