Vol. 81 No. 1 (2004)

Research articles

• The size of breeding territory in an urban population of the Blackbird (Turdus merula) in Szczecin (NW Poland)

  D. Wysocki, J. Adamovicz, R. Kosciów, P. Smietana

  1–12

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• Foraging ecology of two bark foraging passerine birds in an old-growth temperate forest

  P. Adamík, M. Kornan

  13–22

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• Insects in the diet of urban kestrels from central Europe: An alternative prey or constant component of the diet?

  J. Riegert, R. Fuchs

  23–32

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• Territory size and habitat selection in subadult and adult males of Black Redstart (Phoenicurus ochruros) in an urban environment

  L. Schwarzová, A. Exnerová

  33–39

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• Immunocompetence and the prevalence of haematozoan parasites in two long-lived seabirds

  B. Esparza, A. Martínez-Abraín, S. Merino, D. Oro

  40–46

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