Vol. 73 No. 2 (1996)

Research articles

• The effect of summer cottages on land bird numbers in a Finnish archipelago

  K. Lehtilä, K. Ennola, K. Syrjänen

  49–59

  • pdf

• Population estimates and the timing of waterfowl censuses

  H. Pöysä

  60–68

  • pdf

• High frequency of chick diseases in nominate Lesser Black-backed Gull Larus f. fuscus from the Gulf of Finland

  M. Hario, E. Rudbäck

  69–77

  • pdf

• Food niche of Gyrfalcon Falco rusticolus nesting in the far north of Finland as compared with other choices of the species

  K. Huhtala, E. Pulliainen, P. Jussila, P. S. Tunkkari

  78–87

  • pdf

• Male and female incubation in Pied Wagtails Motacilla alba: shared costs or increased parental care?

  S. Fitzpatrick

  88–96

  • pdf