Fig. 1From: A dawn peak in the occurrence of ‘knifing behaviour’ in blue sharksThe distribution of knifing events binned by half-hour slots (main figure, all sharks). Inserts show the distribution of knifing events binned by hour slots for individual sharks (sharks C–E). Day and night were calculated by determining whether the event preceded dawn or dusk and was corrected for by location and time of yearBack to article page