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Vol. 50 No. 1 (1973)

Published: 1973-03-31

Research articles

On the development stages of chicks and adult Moorhens Gallinula chloropus at the end of a breeding season

S. Karhu

1–17
- pdf
Clutch size and timing of breeding in the Arctic Tern in the Finnish archipelago

R. Lemmetyinen

18–28
- pdf
Roosts and roosting fights of wintering Jackdaws Corvus monedula at Tampere, Finland

J. Tast, P. Rassi

29–45
- pdf

Brief report

Two nests of the Two- barred Crossbill Loxia leucoptera in Kuusamo in 1971

A. V. K. Hakala, E. S. Nyholm

46–47
- pdf
Long-distance fishing flights of the breeding Caspian Tern Hydroprogne caspia

M. Soikkeli

47–48
- pdf
Tidig häckning av mindre korsnäbb Loxia curvirostra

J. Excell

48
- pdf (Svenska)
Häckning av större korsnäbb Loxia pytyopsittacus på ovanlig tid

L. Haartman

49
- pdf (Svenska)

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