Page 49 - The Miracle of Migration in Animals
P. 49
HARUN YAHYA
at night may be the cooler air temperatures. Birds that flap their
wings constantly in sunlight run the risk of overheating. Night
travel prevents this danger. Moreover, the energy they expend also
produces a certain amount of heat, which birds reduce by losing
some water from their skin by evaporation and by panting—rapid
breathing which increases the evaporation rate of water from the
mouth and throat.
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