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

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  1. S

    Best book to get into bats and bat detector in Europe

    So these books have sonograms for all the local bat species, meaning that I should find the attached sound by comparing it with the book? (with some limitations of course, as mentioned by opisska). I suspect it's a bat because it's fully above 20kHz, but maybe other mammals produce pure...
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