Figure 5: Hourly activity of different Myotis species
across the night, across the 2018 peak swarming period. The vertical
lines indicate the changing night lengths throughout the study period,
and the colours indicate respective weeks. (i) Overnight distribution ofMyotis nattereri calls. (ii) Overnight distribution ofMyotis daubentonii calls. Vertical lines and colours represent
mean time of sunrise during each week of the study period.