Non-bat Sounds
A whole world of ultrasound opens up when a bat detector is switched on. To distinguish bat and bat species it is important to recognise non-bat species. The following minimally edited recording was made in a small nature reserve in North Devon, UK, in September. None of these calls were audible normally.
However, the cheat here is that the last sound is from a bat which is making a social call as it flies.
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You can download the clip or download a player to play the clip in your browser. Crickets, unidentified mammal, and a bat social call recorded on a heterodyne detector set to 19 kHz - 379Kb Read more about this topic: Bat Species Identification Famous quotes containing the word sounds:“A flutist who is moved to tears by his own performance will soon make the listeners laugh because of the sounds that he produces.” |