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Vol. 60 No. 2 (1983)

Published: 1983-07-01

Research articles

On the efficiency of the line transect method: a study based on nest searching

P. Helle, E. Pulliainen

35–41
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The food of Treecreeper Certhia f. familiaris nestlings in southern Finland

M. Kuitunen, T. Törmälä

42–44
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Population trends and selection of nest-sites in Larus argentatus and L. fuscus on the Finnish coast

M. Kilpi

45–50
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Why does the Wryneck Jynx torquilla bring strange items to the nest?

J. Terhivuo

51–57
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Brief report

A hybrid Parus ater x P. montanus found in Finland

O. Hildén

58–61
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A mixed pair of Collared Streptopelia decaocto and Turtle Doves S. turtur in Kokkola, W Finland, in 1978–79

H. Hongel, L. Saari

61–62
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A hybrid of an Eider Somateria mollissima and a Merganser species (Mergus sp.) found in Finland

O. Tenovuo, R. Tenovuo

63–64
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