Vol. 45 No. 1 (1968)

Research articles

• The evolution of resident versus migratory habit in birds. Some considerations

  L. Haartman

  1–7

  • pdf

• Notes on the roosting behaviour of the Great spotted woodpecker (Dendrocopos major) and the Three-toed woodpecker (Picoides Tridactylus)

  E. S. Nyholm

  7–9

  • pdf

• On sex dimorphism in the Jackdaw (Corvus monedula)

  P. Voipio

  10–16

  • pdf

• Kaksi bigamia-tapausta kivitaskulla (Oenanthe oenanthe)

  M. Aro

  16–18

  • pdf (Suomi)

• Karikukon (Arenaria interpres) pesimäbiologiasta raippaluodon norrskärillä

  S. Vuolanto

  19–24

  • pdf (Suomi)