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Common big-eared bat
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Common big-eared bat : ウィキペディア英語版
Common big-eared bat

The common big-eared bat (''Micronycteris microtis'') is a bat species from South and Central America. It is a neotropical leaf-nosed bat (a member of the family Phyllostomidae).
Recent research has demonstrated this bat's amazing ability to find motionless food within clutter. Echolocating bats discriminate between background and prey based on glints or Doppler shifts in the echo induced by the (wing-)movements of the prey, but ''M. microtis'' can detect completely motionless prey. The species shares both the leaf-nose formation and the trait of sound emission through the nostrils with all Phyllostomidae, but its behavior is understood to be unique: the bat is able to discriminate ecologically relevant stimuli within an extremely complex cluttered sonic environment.
The echolocation call of ''M. microtis'' is a broad band multi-harmonic FM sweep with most energy in the second harmonic between 95 and 75 kHz, i.e. quite similar to that of ''Macrophyllum macrophyllum'', although presumably of lower intensity.
''M. microtis'' mothers will provide pups with prey items for 5 months after weaning.
==References==

*
*Geipel, I., Jung, K., & Kalko, E. K. (2013). (Perception of silent and motionless prey on vegetation by echolocation in the gleaning bat ''Micronycteris microtis'' ). Proceedings of the Royal Society of London B: Biological Sciences, 280(1754), 20122830.
*(Infonatura )
*(AnimalDiversity Web )


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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