For These Bats, the Best Falsetto Wins Over the Ladies

A bat’s voice is its livelihood. Chirping and squeaking at just the right frequencies lets it echolocate food and stay alive. Sounding pretty isn’t the point—except when it is. For the first time, scientists think they’ve found a bat species in which females choose mates based on their voices. Even if a lower-frequency squeak might be better for finding prey, males with the highest squeaks are the sexiest.

The horseshoe bats, or Rhinolophidae, are a family of nearly 80 species with bizarr

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