Data summary showing the frequency of occurrence of each signature whistle type and the whistle loop structure.

*As there was no difference in the data for the occurrence of signature whistle types during encounters or days, this has been displayed as one column.The number of encounters/days when signature whistles were identified as single occurrences is shown in parenthesis next to category size. Location: WB = Walvis Bay, LÜD = Lüderitz. Whistle structures are SE = single element, CML = connected multi-loop, DCML = disconnected multi-loop.Data summary showing the frequency of occurrence of each signature whistle type and the whistle loop structure.