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Bat mothers’ hearts race when they hear their pups
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Bat mothers’ hearts race when they hear their pups

So, how does a mother bat pick out her own pup in a bustling colony? In a small study, researchers found that mothers’ heart rates rose when they heard their own offspring’s calls, but not calls from other pups. The strongest response came from recordings of their now-independent young, though the reason remains unclear. Heart rate can’t reveal whether a bat feels affection or alarm, but it offers a fascinating way to study how mothers respond to the sounds around them.
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