Male bats croon ‘love songs’ to get the girl

TEXAS A&M UNIVERSITYrightOriginal Study
Posted by Keith Randall-Texas A&M on July 23, 2013

TEXAS A&M (US) — Male bats appear to be the sexy singers of the animal world. They vocalize in a specific way to attract females and change their tune to keep them interested.

Over a three-year period, researchers made recordings of thousands of Mexican free-tailed bats in and around the Texas A&M campus and found that male bats produce songs aimed at attracting females to their roosts during mating season—and they have to do it quickly because bats tend to fly by in a hurry.

“Most other animals rely upon visual cues to attract a mate, such as birds having brightly colored feathers,” says Mike Smotherman. “With bats, it’s all about sounds, which may be why bats use singing more than other mammals.” (Credit: Texas A&M)

“These bats can fly very fast, almost 30 feet per second,” says Mike Smotherman, associate professor of biology. “They only have about one-tenth of a second to get the females’ attention.

“We learned that they use a very specific song to grab the female’s attention as she flies by the roost. Once a bat joins their roost, the males mix up their songs, possibly to keep the females entertained long enough for mating to begin.”

As reported in the journal Animal Behaviour, the bat’s romantic song is built from syllables and phrases and the free-tailed bats are unique because they can quickly reorganize those phrases to create different singing styles.

“The males can be very creative in their singing, Smotherman says.

Bats aren’t the only type of animal to use such love songs. The free-tailed bat’s singing is very similar to some of the most talented songbirds, but among mammals, singing is rare.

“Most other animals rely upon visual cues to attract a mate, such as birds having brightly colored feathers,” he adds. “With bats, it’s all about sounds, which may be why bats use singing more than other mammals.”

Bat singing appears to work, at least in Texas. The state is home to some of the largest bat colonies in the world, with tens of millions of bats winging through Texas at sunset. Each bat can consume immense quantities of insects as they try to find a home under bridges, in caves, barns, or numerous other places that provide a dark place in which to reside.

The Mexican free-tailed bat is one of the most common bat species, measuring about four inches in length with a wingspan of about 10 to 12 inches. Dark brown in color with rounded ears, the bats are frequently seen in the southwest United States but are also common in Central and South America.

Source: Texas A&M University


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BATS. Megabats, Flying-foxes, Fruit bats and Microbats: Male bats croon ‘love songs’ to get the girl
Male bats croon ‘love songs’ to get the girl
BATS. Megabats, Flying-foxes, Fruit bats and Microbats
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