The journal of the Pohjois-Pohjanmaan lintutieteellisen yhdistys ry (Northern Ostrobothnia Ornithological Association). It is sent annually to all members. The journal publishes an annual review of bird observations, trip reports, analytical articles, big day reports, rarity reports, and more. Articles are in Finnish, sometimes with English summaries.
From 1976 to 1997 it was published four times per year. Since 1998 it is published once per year.
Once per year
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