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

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  1. 01101001

    Unknown Coastal Birds

    Many songs (and calls) are much clearer than that.
  2. 01101001

    Unknown Coastal Birds

    European Herring Gull (as per the IOC; Herring Gull (European group) as per Clements) would only be a rare vagrant to the US or Canada, and it does look appreciably different from its American counterpart--the location isn't the only difference.
  3. 01101001

    Unknown Coastal Birds

    the IOC considers it a seperate species (not without reason): BOW (Birds of the World) – IOC World Bird List; Clements does not: October 2022 – Clements Checklist (American) Herring Gull is one of the big gulls (Larus gulls), which are infamously difficult to seperate, especially the browner...
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