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

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  1. K

    Pallid or Common Swift - Southern Spain May 2010

    Thank you all for the lovely comments. Obviously these are close crops of the birds and so don't represent the original capture (the birds were far smaller in the frame originally) but the good thing is they're sharp and conveniently similarly positioned to make comparing them side by side a...
  2. K

    Pallid or Common Swift - Southern Spain May 2010

    Two more pics.... Hiya Ok, a closer crop of the contentious swift from the first post and another for comparison which even I'm sure is a Pallid!! Does this help to clinch that the first one is a common swift or is the jury still out?? Thanks for your help guys!! Cheers Dave
  3. K

    Pallid or Common Swift - Southern Spain May 2010

    Thank you guys. That's helped. I find it very tricky as the light can really affect how much feather fringe detail gets pulled out. I was looking through a whole bunch of images on various websites and in the end gave up! So, to summarise the second bird is likely to be a common but could...
  4. K

    Pallid or Common Swift - Southern Spain May 2010

    Hi all Taken in southern Spain I'm not 100% sure which of the attached images are of Pallid or Common Swifts. The more I compare to photos of swifts (as opposed to text book guides) the less certain I become about the matter. The flock I was photographing definitely had a mixture of...
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