biology question #3700

Yevgeniy, a 22 year old male from SI asks on November 14, 2006,

Q:

Can you hear a bat flap it's wings if it is relatively close say 1-2 meters?
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the answer

Mark Brigham answered on November 14, 2006, A:

It really depends on the bat - there are over 1000 species. For some of the larger ones in tropical places - then yes for sure. For a little brow bat which is common in Canada you woud likely have to be withing 20-30 cm to hear the wings.

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