Bats’ dinner conversation may go over your head
Male big brown bats use ultrasonic sounds to tell others to back off
By Bethany Brookshire, 16:19 PM March 27, 2014
On summer evenings in North America, entire conversations go on above your head. Mixed in with the evening birdcalls and droning of insects, there are calls just beyond the range of our pathetic human ears: the vocalizations of bats. We usually think of bats as preternaturally quiet, but it turns out that when these little insect eaters stealthily swoop through the night, they aren’t silent at all.
Scientists at the University of Maryland have shown that when male big brown bats (Eptesicus fus...
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