Intraspecific variation in short-beaked common dolphin’s whistle repertoire
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Dolphins’ whistles are strongly diversified mainly related to physiology and behaviour. We present the whistle characteristics and intraspecific variations of short-beaked common dolphins Delphinus delphis of the Western South Atlantic Ocean (WSAO). A total of 1630 whistles from six encounters were analysed considering group size, contours and acoustical parameters. No significant correlation was found (p > 0.05) between number of whistles and the group size. Upsweep, downsweep and constant were the most frequent contours. A positive relation between the downsweep contour and group size was detected (p p
创建时间：
2021-01-04
