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. 2010 Apr 14;277(1693):2521–2529. doi: 10.1098/rspb.2009.2319

Table 1.

Average number of social sounds (with standard deviation in brackets), social vocalizations, surface-active sounds and breaches per analysed group showing both groups analysed from the array data-tagged groups.

platform no. groups no. social sounds no. breaches no. surface-active sounds no. vocalizations
array 31 71 (75) 8 (6) 18 (37) 47 (63)
tag 4 47 (18) 16 (6) 16 (6) 29 (15)