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Table 1 Parameters of the female’s distress signals of the bank vole Myodes glareolus and the Tien Shan voles M. centralis and their hybrids, and comparison by the single-factor ANOVA method

From: Inheritance of the acoustic signal parameters in interspecific hybrids of the bank (Myodes glareolus) and the Tien Shan (M. centralis) voles

Parameters The Tien Shan voles Hybrids The bank voles ANOVA
n = 118 n = 108 n = 78
Duration, s 0.027 ± 0.001a 0.023 ± 0.001b 0.054 ± 0.004c F2,301 = 182.2 p = 0.001
Fundamental frequency, kHz 3.8 ± 0.1a 3.2 ± 0.1b 1.5 ± 0.1c F2,128 = 23.45 p = 0.001
Modulation range, kHz 2.5 ± 0.1a 1.6 ± 0.1b 0.6 ± 0.1c F2,128 = 45.35 p = 0.001
Quartile 50%, kHz 4.0 ± 0.1a 7.9 ± 0.1b 6.8 ± 0.1c F2,301 = 81.6 p = 0.001
Entropy 0.520 ± 0.005a 0.586 ± 0.008b 0.637 ± 0.004c F2,301 = 200.8 p = 0.001
  1. Significant values are highlighted in bold. The different letter-indices in the line denote significantly different values, by using Tukey Post-hock analysis