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Fig. 7. Frequency distribution (N=60) of the time between prey patches for
four Magellanic penguins foraging from Punta Norte, Argentina. The inset shows
all data for periods up to, and including, 6 h, to highlight the bimodality of
the data, whereas the main graph shows only those data for up to and including
120 min, to show more detail. Note that these data do not include periods
where birds presumably rested overnight.