Table 2. Sample size, range of dates, mean acoustic parameters (±SE) of recorded vocalizations of each African savanna elephant male (A–E).
| A | B | C | D | E | |
|---|---|---|---|---|---|
| First recording | 10 August 2016 | 16 December 2016 | 27 June 2016 | 16 August 2016 | 2 September 2016 |
| Last recording | 4 October 2017 | 4 October 2017 | 12 September 2017 | 26 September 2017 | 26 September 2017 |
| Median recording | 26 September 2016 | 15 June 2017 | 24 January 2017 | 22 June 2017 | 28 November 2016 |
| Range of days | 421 | 293 | 443 | 437 | 420 |
| Sample size | 24 | 6 | 10 | 35 | 6 |
| Duration 90% (s) | 4.06 (±0.19) | 3.33 (±0.26) | 3.81 (±0.26) | 4.75 (±0.15) | 2.98 (±0.49) |
| Center frequency (Hz) | 28.16 (±1.08) | 23.43 (±2.34) | 32.53 (±4.8) | 28.38 (±0.29) | 27.1 (±3.96) |
| Frequency 5% (Hz) | 11.22 (±0.56) | 10.5 (±0.95) | 17.3 (±2.99) | 11.14 (±0.34) | 8.32 (±1.11) |
| Frequency 95% (Hz) | 85.04 (±2.71) | 75.2 (±6.93) | 69.73 (±4.79) | 75.71 (±1.74) | 74.95 (±3.68) |
| Bandwidth (Hz) | 73.83 (±2.61) | 64.7 (±6.8) | 52.45 (±2.96) | 64.59 (±1.66) | 66.67 (±3.7) |