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

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  1. B

    Birds and snow tunnels?

    I believe, among the American game birds, at least Ruffed Grouse do this as well. Nutcracker, I do agree that unless the bird is seen, species ID is impossible, but I do think the tunnel was made (or at least used) by a bird. I seem to be seeing feather impressions (wing and/or tail) in the...
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