Habitat preference and activity of the noctule bat Nyctalus noctula in the Bialowieza Primeval Forest

• Autorzy: Rachwald A.
• Języki publikacji: EN

Abstrakty

EN

The echolocation calls of the noctule bat Nyctalus noctula {Schreber, 1774) were recorded at night, from June to August 1991, using a QMC S20Q bat detector, in 5 habitats (river, forest-meadow eeotone, village, coniferous forest, deciduous forest) of the Białowieża Primeval Forest (eastern Poland). Two main kinds of signals were identified: search calls and feeding buzzes. Acoustic activity was high over the rivers, in the forest-meadow eeotone and in small woodland villages. It was negligible inside the coniferous and deciduous forests. The differences among habiLats were especially evident in the case of feeding buzzes; no feeding was recorded inside deep deciduous forests. Two peaks in overnight activity were found, with maxima after sunset and before sunrise. Intraseasonal changes of activity were recorded; the highest activity was in July.

Słowa kluczowe

EN

Poland; Nyctalus noctula; habitat preference; noctule bat; bat; echolocation; Bialowieza National Park; habitat activity

• Wydawca: -
• Czasopismo: Acta Theriologica
• Rocznik: 1992
• Tom: 37
• Numer: 4
• Opis fizyczny: p.413-422,fig.

Twórcy

autor

Rachwald A.

• Polish Academy of Sciences, 17-230 Bialowieza, Poland

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