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

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  1. N

    Calliope vs. Broad-tailed Hummingbird

    Hi Tom - the hummer did not seem that small to me but Calliope's would be a lifer and there were no other hummingbirds around for size comparison... Looking at the pics I thought the left wingtips are way below the tip of the tail but then again they could be tail feathers?
  2. N

    Calliope vs. Broad-tailed Hummingbird

    I think the wingtips extend beyond tail but can't tell for sure. Photo taken at Grand Teton NP, Wyoming US
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