Table 2 in Taxonomic revision of grass frogs (Ptychadenidae, Ptychadena) endemic to the Ethiopian highlands

Table 2. Call variables for pulsed calls. Durations are given in ms; frequencies, frequency bandwidths, and pulse rates are given in Hz (s-1).
SpeciesN individualsN callsCall durationNumber of notesPulse durationPulses per noteOverall Inter-pulse durationOverall pulse rateGroups per noteGroup durationPulses per groupinter-pulse duration within groupsPulse rate within groupPeak frequencyMin frequencyMax frequencyFequency bandwidthRelative time of peak amplitudeP. beka5128410 ± 1131 ± 03 ± 024.5 ± 5.714 ± 462.4 ± 14.110.5 ± 2.621 ± 173.7 ± 1.99 ± 1210.8 ± 129.72482 ± 1422169 ± 1182529 ± 150742 ± 66258 ± 77P. delphina433504 ± 921 ± 05 ± 18.4 ± 1.464 ± 816.8 ± 2.4-----2327 ± 1471982 ± 1612366 ± 166736 ± 94384 ± 129P. erlangeri5226290 ± 351 ± 04 ± 016.5 ± 1.615 ± 157.1 ± 4.14.3 ± 0.837 ± 174.1 ± 2.511 ± 2123.8 ± 92.72343 ± 4541709 ± 3832600 ± 2971138 ± 767230 ± 14P. goweri432634 ± 741 ± 03 ± 033.5 ± 2.917 ± 353.6 ± 8.414.1 ± 2.320 ± 143.3 ± 1.59 ± 2231.6 ± 182.12318 ± 861934 ± 572356 ± 88838 ± 156404 ± 65P. levenorum230465 ± 981 ± 03 ± 023.5 ± 4.317 ± 351.1 ± 5.67.1 ± 1.536 ± 254.1 ± 1.512 ± 2172.7 ± 142.62223 ± 901840 ± 512286 ± 73864 ± 40345 ± 34P. nana556205 ± 471 ± 04 ± 016.9 ± 2.89 ± 284 ± 10.22.3 ± 0.876 ± 497.2 ± 4.79 ± 2123 ± 71.32801 ± 522461 ± 262845 ± 53751 ± 63136 ± 31P. robeensis5101534 ± 531 ± 04 ± 09.8 ± 157 ± 518.5 ± 1.8-----2876 ± 742397 ± 402896 ± 78853 ± 97292 ± 19