Inhalt Ornithol. Beob. Band 76, Heft 4, Oktober 1979
[Contents Ornithol. Beob. Vol. 76, No. 4, October 1979]
Online Index
Zbinden, N.: Zur Ökologie des Haselhuhns Bonasa bonasia in den Buchenwäldern des Chasseral, Faltenjura. [Ecology of the Hazel Grouse in Beech Forest Associations of the Chasseral, Swiss Jura.]
169
Bruderer, B. & J. Bühlmann: Zum Brutbestand und Winterbestand der Lachmöwe Larus ridibundus in der Schweiz. [Development and status of summer and winter populations of Black-headed Gulls in Switzerland.]
215
Kurze Mitteilungen [Short Communications]
Literatur [Reviews]
227
Nachrichten
228