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

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  1. lou salomon

    Caspian Gull Bavaria/Germany

    structure usually is the best clue - bill shape (thin, parallel edged and pointed tip), long thin legs and high breast are apparent in this ind. yes, p10 mirror is found in the majority of 2nd winter cachinnans but not all. collar (neck streaking) is often lost towards spring due to wear and...
  2. lou salomon

    Caspian Gull Bavaria/Germany

    no doubt about this: 3cy caspian.
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