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

Recent content by dufay

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    Which ~$1000 8x roof binoculars have the least chromatic aberration?

    The Kowa Genesis series is often mentioned when the priority is minimal chromatic aberration in this price segment. I have the 8x33 and can confirm that they do a very good job of controlling chromatic aberration
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    Gran Canaria February 2024

    Thanks!
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    Gran Canaria February 2024

    Don't know if any of these additional photos could help determine the subspecies, but I’ll post them just in case.
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    Gran Canaria February 2024

    This is the entry from the John Bowler - Wildlife of Madeira and The Canary Islands:
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    Gran Canaria February 2024

    Here are a few more photos of the same bird
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    Gran Canaria February 2024

    Below are some more photos of the same bird, if that could help settle the identification. My initial idea of Greenfinch was based on the fact that it differed somewhat in coloration and patterning from Atlantic Canaries I encountered there, like this one:
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    Gran Canaria February 2024

    Is it possible to tell if it is the Common- or the Canary Island Chiffchaff? I have several additional photos of this bird if needed.
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    Gran Canaria February 2024

    Thanks a lot!
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    Gran Canaria February 2024

    The photos are from last week taken either in Las Palmas (1-3) or the area around Arguineguín (4-6). 1: warbler (Wood Warbler perhaps?) 2: I initially leaned towards Lesser Black-backed due to the color, but other traits point to Yellow-legged 3: immature of either of the above-mentioned...
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    Geese in Copenhagen, Denmark

    Unfortunately, I only took these two pictures with my mobile phone. I will update this thread if I later come by this or a similar group again.
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    Geese in Copenhagen, Denmark

    Thank you for the reply! Interesting to hear that also the other “Canada Goose” is a hybrid. I suspect the same might be the case for many (or all) of the other Canada Goose-like birds in this group (around 50% of a group of 20-30 birds)
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    Geese in Copenhagen, Denmark

    Earlier today, I encountered a group of geese grazing together in a Copenhagen park. From what I can gather, the group consisted of a mix of Greylag- and Canada Geese. However, as seen in the second photo, one of the suspected Canada Geese has yellow legs instead of the usual dark ones. I am...
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    Possibly some kind of rail(?), Copenhagen, Denmark

    Thank you very much!
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    Possibly some kind of rail(?), Copenhagen, Denmark

    Seen in one of the central parks of Copenhagen. I have speculated that it might be some kind of rail (perhaps a young moorhen?). Link to video:
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    Water bird (?), Denmark (North Zealand)

    Thanks a lot!
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