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

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  1. Michał Jaro

    Possible Horned Lark in Belgium

    Blackmann Harris, window size 512, grey scale (linear). Ive checked sonogram of Horned Lark - is completely different.
  2. Michał Jaro

    Possible Horned Lark in Belgium

    this sonogram doesn't show much, you have to filter it. I think it might be the voice of a yellow wagtail. below, a little more visible
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