Summary: | The echolocation calls of the noctule bat Nyctalus noctula (Schreber, 1774) were recorded at night, from June to August 1991, using a QMC S200 bat detector, in 5 habitats (river, forest-meadow ecotone, village, coniferous forest, deciduous forest) of the Białowieża Primeval Forest (eastern Poland). Two main kinds of signals were identified: search calls and feeding buzzes. The echolocation calls of the noctule bat Nyctalus noctula (Schreber, 1774) were recorded at night, from June to August 1991, using a QMC S200 bat detector, in 5 habitats (river, forest-meadow ecotone, village, coniferous forest, deciduous forest) of the Białowieża Primeval Forest (eastern Poland). Two main kinds of signals were identified: search calls and feeding buzzes.
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