While using a passive bat detector in the mangroves at Kalba, UAE, we recorded numerous calls which we can't identify. The first ones were a series of clicks with frequencies between 70 and 40 kHz which we thought could be Myotis bats, but these then merged into almost continuous buzzes by a few minutes later. Calls recorded at around 4 to 5 a.m. on 2 Dec 22.
If anyone can throw any light onto these it would be much appreciated.
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