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

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  1. Andy Adcock

    Great-tailed Grackle, Nolton Haven, Pembrokeshire 27 October 2023

    But they never show (from what I can see from pics) an real contrast from each other do they?
  2. Andy Adcock

    Great-tailed Grackle, Nolton Haven, Pembrokeshire 27 October 2023

    I can see how the underparts seem to change colour, very warm to much darker but, the lack of contrast between wings and back looks fairly consistent which looks better for Great-tailed according to my Sibley.
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