Table 1. Copulation song parameters of the analyzed populations.
| N | Type | IPI / IBI (ms) | NP | TL (s) | Freq (Hz) | CPP | AmpAlt | |
| Estrela 1S | 5 | P | 36.59±0.89 | 101.30±4.23 | 3.66±0.08 | 174.05±0.43 | 1.99±0.16* | - |
| 7.58±0.77** | ||||||||
| Jaíba 1S | 4 | P | 66.68±4.12 | 33.00±6.81 | 2.10±0.36 | 298.39±7.67 | 2.81±0.33 | 0.17±0.13 |
| Teresina | 7 | P | 65.50±0.74 | 32.81±2.75 | 2.08±0.18 | 298.67±9.05 | 3.11±0.15 | 0.86±0.04 |
| Estrela 2S | 9 | B | 234.97±14.01 | 13.07±0.95 | 2.97±0.26 | 275.88±8.05 | - | - |
| Jaíba 2S | 8 | B | 279.12±14.36 | 10.78±1.07 | 2.89±0.34 | 272.11±11.60 | - | - |
| Pancas | 5 | B | 224.56±11.92 | 12.00±1.00 | 2.58±0.14 | 291.50±4.20 | - | - |
| Mesquita | 4 | M | 106.91±3.40+ | 40.00±1.96+ | 4.14±0.29+ | 317.39±8.46+ | 13.94±0.20+ | - |
| 89.85±6.91++ | 10.50±0.96++ | 0.86±0.08++ | 205.08±36.97++ | 7.98±0.39++ | ||||
| 116.32±2.01+++ | 29.25±2.59+++ | 3.29±0.29+++ | 312.5±10.55+++ | 16.13±0.41+++ |
*: value excluding polycyclic pulses.
**: value referring to the polycyclic pulses.
+: Values for the whole train.
++: Values of the pulse-like train segment.
+++: Values of the burst-like train segment.
P: pulse-type; B: burst-type; M: mix-type song.