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

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  1. M

    Cornwall Birding

    I think this is probably feather wear, as the bases of feathers are normally darker than the tips. So any excessive wear (result of feather mite attack perhaps) results in a darker appearance to the plumage.
  2. M

    Cornwall Birding

    At the moment we receive around 60,000 records annually through BirdTrack, so will stick with this for now...
  3. M

    Cornwall Birding

    The whole 'Going Birding' concept is a good one and Marek has done a great job, but from a recording point of view I'm not sure we want to encourage/promote yet more ways of submitting records. From a CBWPS point of view, whilst we want as many records of common/scarce/rare birds as we can, it...
  4. M

    Cornwall Birding

    I'll keep this short as a) I'd run the risk of losing my will to live and b) I have better things to do... But as the Society has been dragged into this I thought I'd better respond. The sightings services offered by Cornwall Birding and CBWPS are different entities, with different functions...
  5. M

    Cornwall Birding

    Certainly sounds interesting but not sure you'll have enough of the number to trace it. This type of ring would have one letter followed by six numbers, but I can have a look anyway. Drop me an email to mark.grantham AT bto.org if you like
  6. M

    Cornwall Birding

    Interstingly the regional results show Blackcap recorded on more (10-15%) complete lists that Chiffchaff (5-10%) which I find surprising.
  7. M

    Cornwall Birding

    Over the last couple of weeks I've ringed three different birds at Carnon Downs sewage works...
  8. M

    Cornwall Birding

    As with most rings of this size, it would be two letters followed by five numbers, so not sure how this fits.
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