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Fig. 4 | Animal Biotelemetry

Fig. 4

From: Flight rapidly modulates body temperature in freely behaving bats

Fig. 4

Body temperature dynamics in flying bats in the laboratory. A Synchronized recordings of the skin temperature (Tsk) and flight behavior (as reflected by the Z-acceleration data). The rise time is measured as the time difference between the Tsk of the flight onset (left green circle) and the maximum Tsk (center green circle). The decay time is measured as the time difference between the maximum Tsk (center green circle) and the post-flight Tsk that equals to the Tsk at the flight onset (right green circle). The rise time and the decay time (i.e., a measurement of duration) consists of both the flight time and the short pauses between the flight bouts when no wingbeat was recorded. As shown in the zoomed-in view, there are four individual flight bouts separated by short pauses within the rise time window. Nevertheless, the decay time is largely dominated by the time when the bat is resting. (B) The maximum increases in Tsk after the flight events. The grey circles were the data of individual bats. C, D A comparison of the total time length (duration) and the rate of the Tsk changes between the Tsk rising and decaying periods. E, F, G The maximum increases in Tsk seem to be negatively related to the rising time, positively related to the decay time, but unrelated to the flight time. Note, flight time here is the sum of separated flight bouts within the rise time window. For the statistical tests of E and G, the outlier data point was excluded. Note, we had a very small sample size (individuals) that probably limited our ability to detect a statistical significance for data in E and F. The sample size for each group is indicated by the associated number

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