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Besides being nocturnal , some squash racquet species are know to tamp down it in during the winter as well . Not all bats hibernate , but those that do normally live at high latitudes where insect prey becomes scarce during cold months . During this torpid period , they can often be found cluster on cave wall or cap , curl up like furry little balls .
Hibernating bats make it through such a deep sleep — which can last over six months — on only a few grams of stored fat . They accomplish this by drop their body temperature and decelerate their metabolism to the stage where heart rates wind down to a mere 10 beats a minute .
Some bats hibernate, some do not.
By the metre springiness rolls around , the bats typically will have misplace roughly one-half of their body weight .
Whilehibernationhas some obvious benefit , it make out with some unsought side effects .
“ During hibernation , metabolic ware ramp up up and resistant responses may be hindered , ” explains Justin Boyles of the Center for North American Bat Research and Conservation . “ Several papers have express that some mintage will hibernate less during the winter if their fat store are enlarged . ”
Most tropical bat coinage , though , are well fed year - round and broadly never necessitate to take time off .
