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Fig. 2. Four examples of sustained, continuous flight (flight time 1239 min)
for four N. hybridus individuals and subsequent post-flight cooling
(12 min). The horizontal line represents
Tthx=Ta and the vertical line denotes
cessation of flight. The filled diamond indicates the mean thoracic
temperature measured during the flight. Mean flight temperatures were
33.5°C (A), 31.5°C (B), 33.01°C (C) and 27.83°C (D). Mean
flight temperature for post-flight Tthx taken via
the `grab and stab' method was 29.9±3.1°C.
Tthx, thoracic temperature; Ta,
ambient air temperature.