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

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  1. G

    Why metal rings only?

    The lost opportunity is to gain more information than can be gathered using only metal rings. I am involved with a couple of projects (Shag in the Firth of Forth) and GBBGs from Norway) that gather a lot of bird movement info by using darvics. I've only ever got close enough to one bird to get a...
  2. G

    Why metal rings only?

    I have terns on my local patch that obviously have metal rings. This is hugely frustrating! What is the point of using an unreadable metal ring, when you would get back so much more info if you used coloured rings/darvics? It just seems to be lost opportunities.
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