Because small-bodied warm-blooded creatures rapidly lose heat and have no way to maintain it, research has revealed that there can be a difference of many degrees in the body temperature of a bat before and after feeding.
由於體型小的溫血動物，散熱極快，無法維持體溫恆定。有研究發現，蝙蝠在覓食前後，體溫可以差上好幾度。