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

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  1. J

    Marsh & Willow Tits in Japan

    Many thanks - really good reference (though it's a shame that the Abstract wasn't better translated, or written so it read well on its own). Brilliant help. Many thanks.
  2. J

    Marsh & Willow Tits in Japan

    I'm watching a few Japanese feeder cams: a couple in Hokkaido and one in Honshu. I'm seeing Marsh/Willow Tits regularly, especially on the Hokkaido webcams. How are the eastern races of these two species told apart on plumage? Is there any accessible online literature on them?