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

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  1. M

    Barn owl (California, USA)

    I wasn't expecting such an exciting series of replies! Thank you for explaining the origins of this split. As the novice I am, I am not not familiar with all these national and international bodies. I'll stick with Cornell (https://www.allaboutbirds.org, https://birdsna.org) for now.
  2. M

    Barn owl (California, USA)

    Maybe this should be posted to the taxonomy group? Anyway, I thought I'd start here. I was using AllAboutBirds.org to ID the attached photo (Santa Cruz, California, USA, Sept 21, 2018). They classify it as Tyto Alba (https://www.allaboutbirds.org/guide/Barn_Owl/overview). And my National...
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