Usual click rate during three of the nine dives analyzed: (a) dive 1 of HR110; (b) dive 3 of NN80; (c) dive 3 of NN160.
Mean usual click rate (95% CI) calculated from segments of the three dives of each whale.
Details of the nine sperm whale dive cycle recordings analyzed for usual click rate.
Summary statistics for mean usual click rate ; computed from the reciprocal of interclick intervals, over the duration of the dive for each of the nine dive cycle recordings analyzed. .
The mean length and percentage of time sperm whales at Kaikoura were silent during the four phases of a dive cycle and over a complete dive cycle. . Note:(SE, ) or (SE). To increase sample size, data for phase 2 are augmented with data from Jaquet et al. (2001) which were gathered in the same area over the same period.
Mean usual click rates from this and other studies of sperm whales.
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