The sound you just heard was the echolocation call of a tiny Western Pipistrelle bat, slowed down 10 times to bring it within the range of our hearing. This "terminal feeding buzz" demonstrates how the signal speeds up as the bat zeroes in on his insect target. Click the button to play the call again.
It was recorded by Joe Szewczak, and uploaded to www.BatCalls.org. Please visit their site for more information, or to hear other species.

Click on a thumbnail image below to open up a larger picture.



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