Table 2. Penguins underwater vocalisations.
Summary of the distribution of acoustic variables measured on underwater vocalisations. DurCall, duration of the vocalisation (s); F0, fundamental frequency (Hz); Fmax, frequency of maximum amplitude (Hz); N, number of measured vocalisations; SD, standard deviation.
| Acoustic variables | King penguin Pelagic vocalisations |
Macaroni penguin Pelagic vocalisation |
Gentoo penguin Pelagic vocalisation |
Gentoo penguin Benthic vocalisation |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| N | Mean ± SD | Range | N | Value | N | Mean ± SD | Range | N | Mean ± SD | Range | |
| DurCall (s) | 34 | 0.06 ± 0.03 | (0.02–0.18) | 1 | 0.05 | 60 | 0.07 ± 0.05 | (0.02–0.33) | 108 | 0.05 ± 0.03 | (0.02–0.18) |
| F0 (Hz) | 23 | 535 ± 169 | (309–850) | 1 | 697 | 27 | 628 ± 418 | (139–1539) | 64 | 475 ± 249 | (140–1441) |
| Fmax (Hz) | 28 | 998 ± 389 | (648–1980) | 1 | 680 | 39 | 1136 ± 413 | (625–2011) | 81 | 1078 ± 354 | (480–1890) |