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

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  1. Gerry Hooper

    Wader's wing bars

    If I was going to be serious for a moment ....steady on this doesn't happen too often...I'd say that starlings are more vocal than most , so they might keep in contact with calls,rather than wing bars.Many other species use contact calls of course. Starlings spring to mind coz of the noise the...
  2. Gerry Hooper

    Wader's wing bars

    No worries Mate . Thanks for reviving the thread. There is a theory waiting out there..y'know, a theory that might make sense.:flyaway::flyaway::flyaway:
  3. Gerry Hooper

    Wader's wing bars

    Cheers tracker, you've neatly pointed out the one exception to my theory. There may be a few others....
  4. Gerry Hooper

    Wader's wing bars

    Thanks Michael, That really helps :t: I'm refining my theory now to high flying nightime migrants in loose parties. Sounds a bit like my lifestyle 10 years ago. I'll get back to work on my theory then.... :scribe:
  5. Gerry Hooper

    Wader's wing bars

    Thanks folks, I take the point that the plumage is primarily for recognition , but isn't it strange how very few passerines show this pattern as boldly? If anybody says Magpie now I'll scream!! I'm sure there will be a correlation between bold black and white markings and flocking or migration...
  6. Gerry Hooper

    Wader's wing bars

    Is there any reason why so many waders have such striking black and white wing bars? I'm thinking of Black tailed Godwit, Redshank, Turnstone, Oystercatcher, Knot,Ringed Plover etc. It's such a common feature there must be some reason for it. Could it be something to do with keeping together as...
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