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When love sings from the gutter!



London, June 6 (IANS) Is it advantageous to sing from a gutter to seduce females? For urban frogs, a bit of help from man-made structures to impress their females seems in order, a fascinating research reveals.

Mientien tree frogs in the city of Taipei woo females from storm drains.

The frogs seem to be using city drains to amplify their voice to attract females.

"Calls emitted from inside the drains were louder and longer than those outside – both important mate-selection criteria for choosy females in many frog species," said lead researcher Yu-Teh Kirk Lin from National Taiwan University in Taipei.

Although impossible to distinguish with the human ear, acoustic analysis software revealed the drain calls to be about four decibels louder than those outside, he added.

"The length of all 13 notes in a frog’s call were also 10 percent longer when the call was emitted from inside the drains," he stated.

This is perhaps the first study to show that an animal preferentially uses human-made structures to enhance its amorous sounds.

"These males could be taking advantage of the enhanced acoustics in drainage ditches to outdo their competition," researchers said.

The research was published in the Journal of Zoology.

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