Vol. 50 No. 3–4 (1973)

Research articles

• Species diversity of Finnish birds, I: Zoogeographical zonation based on land birds

  O. Järvinen, R. A. Väisänen

  93–125

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• Comparisons between the breeding biology of year-old and older females of the White Wagtail Motacilla alba in Central Finland

  M. Leinonen

  126–133

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• Autumn migration and moult of the Spotted Flycatcher Muscicapa striata and the Pied Flycatcher Ficedula hypoleuca at the Signilskär bird station

  K. Hyytiä, P. Vikberg

  134–143

  • pdf