Vocal activity of the red deer and the acoustic structure of its rutting calls in the Russian Far Eastстатья
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Дата последнего поиска статьи во внешних источниках: 22 ноября 2015 г.
Аннотация:Subspecies of red deer Cervus elaphus are substantially different by the acoustic structures of their rutting calls and by the vocal activity patterns during the rut. For some subspecies, the acoustics of rutting calls are well-studied and are applied as indicators of subspecies along to genetic and morphological markers. Deer censuses by voice are often used as the abundance indices, however for obtaining the reliable results the knowledge about the vocal activity patterns in the given locality is necessary. This study provides the first data on the acoustic structure of stag rutting calls in C. e. xanthopygus and on the relationship of vocal activity and ambient temperature, obtained using automated recording systems. The results are discussed with similar data on European, Asian and North-American subspecies of Cervus elaphus.