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

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  1. R

    Helm Identification Guides - What Next ?

    Hopefully the right place for my question... I can possibly get a good deal on the 2009 Helm Owl Guide by König & Weick. https://www.bloomsbury.com/uk/owls-of-the-world-9781408135785/ Is the information in it still relevant today or outdated taxonomically? And how does it hold up to for...
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