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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Bat(s) making loud electric zits (1 Viewer)


All-knowing Idiot
Opus Editor
Warsaw, Poland, 25 May, 23:15-23:20
suburban, stand of older trees, many hollows, more or less damp meadows, bushes, gardens and more urban habitats nearby
recording normalised to -3 dB
the sounds are represented by vertical lines at the very upper border of the sonogram

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