A recent analysis of a 45-year breeding data set on Tengmalm’s owl population in the Kauhava study area (Finland) revealed a decreasing trend in fledgling production corresponding with the long-term decline of the whole population ( 13 ).
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The Tengmalm's owl <i>Aegolius funereus</i> (Aves, Strigidae) as the definitive host of <i>Sarcocystis funereus</i> sp. nov. (Apicomplexa).
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