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Table 2 Univariate measurements of song variables of Locustella m. mandelli/melanorhyncha and L. chengi sp. nov.

From: Integrative taxonomy of the Russet Bush Warbler Locustella mandelli complex reveals a new species from central China

Taxon Duration 1a (s) Low freq 1a (kHz) High freq 1a (kHz) Bandw 90% 1a (kHz) Midfreq 1a (kHz) Duration 1b (s) Low freq 1b (kHz) High freq 1b (kHz) Bandw 90% 1b (kHz) Midfreq 1b (kHz) Duration 1 (s) Duration 2 (s) Low freq 2 (kHz) High freq 2 (kHz) Bandw 90% 2 (kHz) Midfreq 2 (kHz) Total duration (s) Mid freq 2/Midfreq 1b N
L. chengi , sp. nov. 0.136 ± 0.021 (0.083 – 0.193) 2.119 ± 0.289 (1.434 – 2.858) 3.557 ± 0.302 (2.972 – 4.336) 0.743 ± 0.060 (0.563 – 0.900) 2.836 ± 0.280 (2.438 – 3.525) 0.064 ± 0.010 (0.045 – 0.104) 2.234 ± 0.266 (1.795 – 2.911) 3.441 ± 0.273 (2.955 – 4.174) 0.604 ± 0.056 (0.563 – 0.750) 2.820 ± 0.263 (2.438 – 3.563) 0.204 ± 0.020 (0.150 – 0.259) 0.019 ± 0.008 (0.013 – 0.060) 2.151 ± 0.209 (1.743 – 2.772) 3.354 ± 0.197 (2.981 – 3.987) 0.634 ± 0.069 (0.563 – 0.750) 2.750 ± 0.198 (2.438 – 3.375) 0.261 ± 0.021 (0.207 – 0.320) 0.978 ± 0.045 (0.882 – 1.123) 53
L. m. mandelli, L. m. melanorhyncha 0.185 ± 0.029 (0.118 – 0.249) 4.346 ± 0.712 (3.027 – 5.825) 5.794 ± 0.745 (4.227 – 7.321) 0.869 ± 0.109 (0.563 – 1.163) 5.090 ± 0.728 (3.600 – 6.563) 0.024 ± 0.009 (0.011 – 0.055) 4.653 ± 0.783 (3.163 – 6.239) 5.925 ± 0.815 (4.190 – 7.586) 0.663 ± 0.080 (0.563 – 0.975) 5.316 ± 0.786 (3.750 – 6.938) 0.213 ± 0.034 (0.142 – 0.302) 0.019 ± 0.005 (0.011 – 0.039) 4.056 ± 0.736 (2.699 – 5.278) 5.203 ± 0.777 (3.639 – 6.443) 0.639 ± 0.073 (0.563 – 0.938) 4.631 ± 0.749 (3.188 – 5.813) 0.274 ± 0.040 (0.199 – 0.372) 0.870 ± 0.045 (0.778 – 0.985) 51
One-way ANOVA F 99.001 442.343 408.445 54.042 440.676 459.625 451.678 441.116 19.291 478.318 2.843 0.027 328.043 281.673 0.098 311.766 4.573 149.116  
P *** *** *** *** *** *** *** *** *** *** 0.095 0.87 *** *** 0.754 *** * ***  
  1. 1a – lowamp part of principal note; 1b – highamp part of principal note; 2 – secondary note; see Figure 2 for further explanation of terms. MANOVA was used to assess the overall differences between all 18 variables (Pillai’s Trace = 0.943, F = 78.664, p < 0.001), followed by one-way ANOVA for each variable (* = p ≤ 0.05; *** = p ≤ 0.001). Values in columns that are non-overlapping between the two species are in bold, and those that are very marginally overlapping are in italics.