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  2. Animal echolocation - Wikipedia

    en.wikipedia.org/wiki/Animal_echolocation

    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 ...

  3. Microbat - Wikipedia

    en.wikipedia.org/wiki/Microbat

    Laryngeal echolocation is the dominant form of echolocation in microbats, however, it is not the only way in which microbats can produce ultrasonic waves. Excluding non-echolocating and laryngeally echolocating microbats, other species of microbats and megabats have been shown to produce ultrasonic waves by clapping their wings, clicking their ...

  4. Daubenton's bat - Wikipedia

    en.wikipedia.org/wiki/Daubenton's_bat

    Juveniles have darker fur than adults. The bats have reddish-pink faces and noses, but the area around the eyes is bare. When the bat is agitated, the ears are held at right angles. The wings and tail membrane are dark brown. [2] Daubenton's bat is typically 45 to 55 mm long, with an average wingspan of 240 to 275 mm, and weighs between 7 and 15 g.

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  6. Onychonycteris - Wikipedia

    en.wikipedia.org/wiki/Onychonycteris

    Onychonycteris finneyi was the strongest evidence so far in the debate on whether bats developed echolocation before or after they evolved the ability to fly. O. finneyi had well-developed wings, and could clearly fly, but lacked the enlarged cochlea of all extant echolocating bats, closely resembling the old world fruit bats which do not echolocate. [1]

  7. Natterer's bat - Wikipedia

    en.wikipedia.org/wiki/Natterer's_Bat

    The frequencies used by this bat species for echolocation lie between 23 and 115 kHz and have most energy at 53 kHz. The individual signals have an average duration of 3.8 ms. [ 12 ] [ 13 ] The wide bandwidth of its frequency-modulated search signals enables it to detect prey only a few centimetres from vegetation and it does not use vision ...

  8. Bechstein's bat - Wikipedia

    en.wikipedia.org/wiki/Bechstein's_bat

    The frequencies used by this bat species for echolocation lie between 35 and 108 kHz. Its echolocation calls have the most energy at 61 kHz, and have an average duration of 3.3 ms. [11] [12] Most of its echolocation is in the 50–60 kHz range.

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    The Doomsday clock was set at 89 seconds to midnight on Tuesday morning, putting it the closest the world has ever been to what scientists deem "global catastrophe."

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