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

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  1. rosbifs

    Harrier question - France

    Argeles-Gazost 09/09/2022 - South-West France Interestingly, I called Hen but then excluded it because I didn't think, even with the moult, it had enough primaries! I was struggling to work out which ones were missing. Basically, I was Hen or Pallid because I couldn't see Monties with this...
  2. rosbifs

    Harrier question - France

    So I have gone back to original photos and managed to lighten the one above - I thought I had overwritten it - and there is a stack of other photos. There was a lot of discussion about this bird. It was called Pallid, which I like, but I'm not comfortable with it. I'm not comfortable because I...
  3. rosbifs

    Harrier question - France

    Continuing the theme of Harrier questions - I need help interpreting Forsmans book about moult. He says that Monties suspend their moult during migration, a researchgate paper further shows Monties on main primary moult, in wintering grounds, in November. By comparison the moult in Pallid...
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