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Table 2 Temporal characteristics of PS1 calls from five belugas

From: Individuality embedded in the isolation calls of captive beluga whales (Delphinapterus leucas)

ID Number Average IPIs of pulse nos. 11–20 (ms) Average IPIs of pulse nos. 11–20 from the last (ms) Duration (s) Number of pulses PRR (pulses/s)
Mean (sd) Max Min Mean (sd) Max Min Mean (sd) Max Min Mean (sd) Max Min Mean (sd) Max Min
H 16 2.92 (1.32) 6.96 2.05 7.76 (2.38) 13.06 5.67 0.77 (0.23) 1.13 0.36 144.2 (48.4) 234 64 190.8 (41.8) 248.9 90.1
T 97 5.69 (1.55) 19.58 4.48 7.12 (0.61) 8.42 4.91 0.76 (0.24) 1.48 0.25 83.5 (31.9) 154 19 110.1 (27.7) 220.9 32.6
G 20 5.67 (0.40) 6.4 4.92 7.91 (0.86) 8.93 5.9 0.80 (0.22) 1.18 0.36 100.5 (23.0) 145 46 128.3 (11.3) 152.4 111.2
N 21 5.96 (0.25) 6.53 5.48 7.6 (0.98) 9.38 6.14 0.79 (0.36) 1.36 0.29 82.6 (40.3) 144 32 104.1 (15.3) 137 68.2
M 33 6.85 (1.18) 10.8 4.96 8.24 (1.61) 11.07 4.42 0.68 (0.18) 1.13 0.36 80.2 (26.0) 180 43 119.7 (25.8) 182.1 40.9
  1. Average IPIs of pulse nos. 11–20, average IPIs of pulse nos. 11–20 from the last, duration, the number of pulses, and the pulse rate are represented. Average, standard deviation, maximum, and minimum values were calculated for each parameter