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

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  1. jogresh

    Grafham Water

    My thoughts exactly! I don't consider myself an expert, but i've seen a few Casps, and that bill and eye look pure Casp! With the benefit of knowledge, someone may say the underwing pattern isn't perfect Casp - it would be fascinating to do a blind test/gull quiz with a bird like this and see...
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