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8 unexpected animals that sing

Mexican free-tailed bats

Photo: Wikimedia Commons

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Mexican free-tailed bats sing for love

Bats are known for their supersonic sounds, but did you know they use them to sing romantic songs? Researchers from Texas A&M University listened to hundreds of hours of bat song and determined that Mexican free-tailed bats sing specific songs for females. The bats also use their warbling to ward off other males.