Table 1 Total count of five sound types acquired during rehabilitation training before release.

From: Monitoring of wild and rehabilitating dolphin interactions during rehabilitation period using surveillance technologies

Signal

description

Whistle

Broadband

signal

Pen friction sound

Sweep

signal

High-frequency signal

Total count

476

33

56

41

313

Daytime

63%

100%

100%

100%

100%

Nighttime

37%

0%

0%

0%

0%