#video | Scientists recorded the singing of the loudest birds in the world
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a Male, white bird bell sings the loudest. Photo: Anselmo d Affonseca
The researchers recorded the singing of the loudest birds in the world. Agree, 125 decibels can cause suffering to the human ear. Ornithologists have long suspected that the male singing white birds-the bell record loud, but the recent hike in the mountains of the Amazon and careful measurements confirmed that these birds make the loudest sounds among all the birds of our planet. The study is published in the journal . accompanied by commentaries on the everyday life of this strange bird.
Why do birds sing?
According to the study co-author Jeff Podos, researchers vocalizations of birds at the University of Massachusetts and the University of Amherst, most of the animals use loud singing to communicate at a distance. However, males, white bird bell sing the loudest being 4 meters away from the females. And yet, this behavior is among the most difficult to name strange. In the basin of the Amazon inhabited by a large number and some of them, like a giant Nightjar, not just ordinary guys. If you do not mind the look of the Nighthawk, the eerie sounds of these birds resemble the mournful growl of a horror movie.
Study co-author Mario Cohn-haft for the first time made a trip to the mountains in 2013. When he saw that the males of birds-the bell was unusually thick ribs and stomach muscles, he decided that their anatomy may be something to do with the ability to loud singing. Together with local residents, the researchers went to the bird habitat with a tape recorder and a laser pointer. To record sound volume requires careful calibration. But the team used a new device that detects the amplitude of the sound almost instantly. What else unusual you know? Tell us about them by participants .
Compared to the flashy sorokopudova of pichai — a relative of the bird-bell, which was previously considered one of the loudest birds, males birds-bell singing in nine decibels louder. The usual song of the males reaches 116 decibels, but the song they sing to females reaches record 125 decibels. Scientists say that although it is difficult to compare the vocalizations between species, the male singing birds-the bell louder than the cries of the monkeys or the sound of a chainsaw operating at a distance of 0.9 meters. Listen for yourself:
So, if you are not yet shocked, then here is information complementing an unusual way of mating call birds-bell — it is accompanied by a rather strange performance. The male turns his back to the female, lowers his tail and head and inflated. Then makes a sound in the same key and abruptly turns to sing a different tone in the face of the female. Researchers believe that a similar design can damage your hearing females, but maybe that's a sacrifice she's willing to make for a good partner. Due to the fact that these of the Amazon basin as loud sorokopudova Piha and white birds-bells eat the fruit, their broad beaks needed for pressure berries, can also contribute to the creation of loud noises. Researchers believe that the singing of these birds may be the most musical in the world. Agree?
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