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Vol. 63 No. 3 (1986)

Published: 1986-09-30

Research articles

Feeding habits, accommodation to man, breeding success and aspects of coloniality in the Common Gull Larus canus

G. Bergman

65–78
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Competition and community structure: A null model analysis of the hummingbird assemblage on the slope of Volcan de Colima, Mexico

E. Ranta

79–83
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Diet variation, hunting habitat and reproductive output of the Kestrel Falco tinnunculus in the light of the optimal diet theory

E. Korpimäki

84–90
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Brief report

Winter feeding by the Great Tit, Parus major, on eggs of the European pine sawfly, Neodiprion sertifer

E. Olofsson

91–92
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Mercury content in eggs of the Great Crested Grebe Podiceps cristatus and the Horned Grebe Podiceps auritus in the archipelago of Korsnäs, Gulf of Bothnia

J. Ulfvens

92–93
- pdf

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