Table 2 Values (mean ± SD) of acoustic parameters for the little auk call types.
From: Seabird’s cry: repertoire and vocal expression of contextual valence in the little auk (Alle alle)
Acoustic parameter | Call type | |||||||
|---|---|---|---|---|---|---|---|---|
Single | Clucking (+) | Classic | Terror (−) | Handling (−) | Low trill | Short | Short-trill | |
f0 Min (Hz) | 657.15 ± 97.87 | 646.67 ± 58.99 | 632.45 ± 60.50 | 657.98 ± 73.97 | 685.62 ± 108.49 | 621.99 ± 84.97 | 657.49 ± 72.74 | 601.90 ± 63.01 |
f0 Max (Hz) | 808.76 ± 177.02 | 809.65 ± 95.53 | 1209.48 ± 154.24 | 766.58 ± 72.57 | 749.48 ± 135.66 | 915.47 ± 133.68 | 815.05 ± 78.40 | 934.72 ± 104.98 |
f0 Mean (Hz) | 759.09 ± 150.86 | 751.51 ± 80.18 | 912.61 ± 63.60 | 721.23 ± 65.30 | 717.65 ± 118.14 | 808.71 ± 108.99 | 735.81 ± 65.08 | 808.49 ± 77.38 |
Q25% (Hz) | 676.43 ± 477.10 | 1334.59 ± 498.92 | 1504.70 ± 588.35 | 74.84 ± 271.09 | 377.78 ± 297.60 | 802.11 ± 344.17 | 708.10 ± 154.63 | 769.52 ± 286.84 |
Q50% (Hz) | 1375.92 ± 846.78 | 2073.89 ± 410.24 | 2634.73 ± 1499.41 | 794.57 ± 2503.71 | 770.45 ± 385.00 | 1927.92 ± 1508.20 | 1390.37 ± 938.34 | 1589.59 ± 1303.54 |
Q75% (Hz) | 3939.74 ± 4299.23 | 2718.37 ± 442.53 | 5278.29 ± 4903.84 | 1535.94 ± 4346.71 | 1457.16 ± 451.01 | 6989.95 ± 5834.44 | 5473.14 ± 4549.35 | 4417.26 ± 4727.89 |
Duration (s) | 0.11 ± 0.05 | 0.09 ± 0.02 | 2.74 ± 0.44 | 0.33 ± 0.13 | 0.11 ± 0.10 | 1.08 ± 0.84 | 0.23 ± 0.15 | 0.75 ± 0.38 |
AM rate (s−1) | 28.64 ± 10.71 | 26.28 ± 12.44 | 39.11 ± 8.08 | 42.21 ± 9.40 | 24.62 ± 11.09 | 47.98 ± 4.90 | 37.08 ± 12.17 | 45.40 ± 4.87 |
fM rate (s−1) | 4.78 ± 3.67 | 5.53 ± 1.00 | 5.65 ± 0.76 | 8.76 ± 2.56 | 5.13 ± 4.18 | 4.37 ± 2.05 | 2.77 ± 2.51 | 4.05 ± 1.72 |
