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Vol. 63 No. 4 (1986)

Published: 1986-12-31

Research articles

The bird sanctuary of Kesonsuo, a raised bog in North Karelia: its breeding bird assemblages, summer visitors and spring migrants

U. Häyrinen, O. Järvinen, J. Kouki

97–111
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Is fat fit? a field study of survival and fatness in the Great Tit, Parus major L.

E. Lehikoinen

112–119
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Relation of fitness of female Great Tits to clutch size and number of broods

M. Orell, M. Ojanen

120–127
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Foraging pattern in the male and female Redstart Phoenicurus phoenicurus during the nestling period

A. Järvinen

128–132
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Brief report

A case of polygyny and other breeding data on the Arctic Warbler

E. Pulliainen, J. Mäkelä, T. Kukkonen, T. Hyvärinen, P. Jussila

133–134
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Optimal foraging theory and food selection by the Grey Partridge Perdix perdix in captivity

E. Pulliainen

134–135
- pdf

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