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The term echolocation was coined by 1944 by the American zoologist Donald Griffin, who, with Robert Galambos, first demonstrated the phenomenon in bats. [1] [2] As Griffin described in his book, [3] the 18th century Italian scientist Lazzaro Spallanzani had, by means of a series of elaborate experiments, concluded that when bats fly at night, they rely on some sense besides vision, but he did ...
An eastern towhee (Pipilo erythrophthalmus) singing, Jamaica Bay Wildlife Refuge, United States Blackbird song. Bird vocalization includes both bird calls and bird songs.In non-technical use, bird songs (often simply birdsong) are the bird sounds that are melodious to the human ear.
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Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.
Get ready for all of the NYT 'Connections’ hints and answers for #200 on Thursday, December 28, 2023. Connections game on Thursday, December 28 , 2023 New York Times
The sound that a tuko (common house gecko) makes at night when out of sight was discovered by an American who spent much time in the Philippines to be attributed to a Wakwak. Other than that, many bisaya people or people living in southern part of the Philippines believed that the sound "Wak-Wak" is just a sound from a bird which only flies at ...
Get ready for all of the NYT 'Connections’ hints and answers for #187 on Friday, December 15, 2023. Connections game on Friday, December 15 , 2023 The New York Times
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