Table 2.
Inter-individual comparisons for each acoustic parameter of coo calls from adult male R. roxellana
| Parameter | Kruskal–Wallis test | Pairs for which differences were detected based on Mann–Whitney U tests* | |
|---|---|---|---|
| χ 2 | P value | ||
| Duration | 52.71 | < 0.001 | DD-GE, DD-XZ, DW-GE, GE-HH, GE-NN, GE-XB, HH-XB, HH-XZ, NN-XB, NN-XZ |
| Mean f0 | 74.34 | < 0.001 | DD-DW, DD-GE, DD-HH, DD-NN, DD-XB, DD-XZ, DW-HH, DW-XB, GE-HH, GE-XB, HH-XZ, NN-XZ XB-XZ |
| SD f0 | 23.65 | 0.001 | DW-GE, DW-XZ |
| Max f0 | 40.02 | < 0.001 | DD-DW, DD-GE, DD-NN, DD-XB, DD-XZ, DW-NN, DW-XB, GE-NN, NN-XZ, XB-XZ |
| Min f0 | 59.62 | < 0.001 | DD-DW, DD-GE, DD-HH, DD-NN, DD-XB, DD-XZ, DW-XB, GE-HH, GE-NN, GE-XB, HH-XZ, NN-XZ XB-XZ |
| Range f0 | 13.88 | 0.031 | GE-XB |
| Start f0 | 60.04 | < 0.001 | DD-GE, DD-NN, DD-XZ, DW-GE, DW-NN, DW-XZ, GE-HH, HH-NN, HH-XB, HH-XZ, XB-XZ |
| End f0 | 45.16 | < 0.001 | DD-GE, DD-XB, DD-XZ, DW-NN, GE-NN, NN-XB, NN-XZ |
| HNR | 69.65 | < 0.001 | DD-GE, DD-XB, DD-XZ, DW-GE, DW-XZ, GE-HH, GE-NN, GE-XB, HH-NN, NN-XB, NN-XZ |
| F 1 | 47.39 | < 0.001 | DD-DW, DW-GE, DW-NN, DW-XB, DW-XZ, HH-XB, HH-XZ |
| F 2 | 76.88 | < 0.001 | DD-GE, DD-HH, DD-NN, DD-XB, DD-XZ, DW-GE, DW-HH, DW-XB, DW-XZ, GE-NN, HH-NN, NN-XB NN-XZ |
| F 3 | 95.48 | < 0.001 | DD-DW, DD-NN, DW-GE, DW-HH, DW-NN, DW-XB, DW-XZ, GE-HH, GE-NN, HH-NN, HH-XB, NN-XB, NN-XZ |
| F 4 | 68.34 | < 0.001 | DD-DW, DD-GE, DD-NN, DW-HH, DW-XB, DW-XZ, GE-HH, GE-XB, GE-XZ, HH-NN, NN-XB, NN-XZ |
| ΔF | 64.49 | < 0.001 | DD-DW, DD-GE, DD-NN, DW-HH, DW-XB, DW-XZ, GE-HH, GE-XB, GE-XZ, HH-NN, NN-XB, NN-XZ |
*Adjusted significance level of 0.05/21 = 0.002