Striped Dolphin acoustics

Stenella coeruleoalba

spec sc stenellastriata 01

The striped dolphins produce high frequency whistles which extend from a few Hz up to more than 20 kHz, often lasting less than a minute. Stripe dolphin’s clicks have energy peaks from 50 to 150 kHz.

The vocalizations of other species, are very different, but poorly studied. Preliminary analysis of the whistles (n. whistles 209, n. samples 5696) recorded in the study area show values of average duration 0.35 s, range 0.12-0.9, SD ± 0.2 and values of average frequency of 9262 Hz, the range 4823-18561 Hz , SD ± 2218.

Spectrogram of Spotted dolphin whistles