Vol. 45 No. 4 (1968)

Research articles

• Reliability of the line survey method in bird census, with reference to Reed bunting and Sedge warbler

  E. Haukioja

  105–113

  • pdf

• The migration routes of Finnish common and Arctis terns (Sterna hirundo and S. Paradisaea) in Scandinavia

  R. Lemmetyinen

  114–124

  • pdf

• Wing length of Lapwing (Vanellus vanellus) before and after skinning, with remarks on measuring methods

  K. Vepsäläinen

  124–126

  • pdf

• Tecken på boparasatism hos viggen (Aythya fuligula) inom ett begränsat fjärdområde i åbolands skärgård

  K. A. Fredrikson

  127–130

  • pdf (Svenska)

• Isokokoisten kirvisten (Anthus campestris, A. Novaeseelandiae ja A. Godlewskii) puvuista ja määrittämisestä (On the Plumage and Identification of Larger Pipits)

  J. Hakala, J. Tenovuo

  131–137

  • pdf (Suomi)