From: Context-specific close-range “hoo” calls in wild gibbons (Hylobates lar)
Acoustic parameter (n value) | Sex | Context | ||||
---|---|---|---|---|---|---|
df | F | p | df | F | p | |
Duration (n = 379) | 1.0, 25.0 | 0.9 | 0.334 | 5.0, 353.8 | 6.0 | <0.001*** |
Peak frequency (n = 378) | 1.0, 20.7 | 19.8 | <0.001*** | 5.0, 354.5 | 11.8 | <0.001*** |
Low frequency (n = 377) | 1.0, 24.6 | 30.1 | <0.001*** | 5.0, 361.9 | 16.3 | <0.001*** |
Delta frequency (n = 377) | 1.0, 23.2 | 0.7 | 0.422 | 5.0, 350.4 | 7.5 | <0.001*** |
Inter-call interval (n = 300) | 1.0, 19.3 | 0.17 | 0.7 | 5.0, 247.8 | 11.4 | <0.001*** |
Intensity (n = 173) | 1.0, 21.1 | 0.7 | 0.423 | 5.0, 156.6 | 7.8 | <0.001*** |