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Vol. 76 No. 2 (1999)

Published: 1999-07-01

Research articles

Flock formation, flock size and flock persistence in the Willow Tit Parus montanus

S. Haftorn

49–63
- pdf
Low productivity of curlews Numenius arquata in southern Finland: causes and consequences

J. Valkama, D. Currie

65–70
- pdf
Dying in the midst of plenty — the third-chick fate in nominate Lesser Black-backed Gulls Larus f. fuscus

M. Hario, E. Rudbäck

71–77
- pdf
Rocks and trees: habitat response of Tawny Owls Strix aluco in semiarid landscapes

J. A. Sánchez-Zapata, J. F. Calvo

79–87
- pdf

Brief report

Association between conspecific nest parasitism and the timing of breeding in the Common Goldeneye Bucephala clangula: an alternative interpretation

H. Pöysä

89–92
- pdf
Tits (Parus major and Parus caeruleus) preying upon bats

G. Radzicki, J. Hejduk, J. Banbura

93–94
- pdf

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