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

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  1. Paul Clapham

    Sarudny?

    I notice that the latest H&M checklist has switched from "Zarudny" to "Sarudny" when referring to the Russian/Ukrainian ornithologist Nikolai Zarudny. The Russian version of his surname was "Зарудный" in Cyrillic characters, and it would be normal to transliterate that to "Zarudny" in English...
  2. Paul Clapham

    North Cornwall, farm field

    A flock of 30 or 40 of these small birds were in a field in North Cornwall on September 25. When they landed in the grass, they almost always disappeared from view. Occasionally a small subgroup of them would fly up and land again nearby.
  3. Paul Clapham

    AOU Taxonomy History in graphic form

    I have generated a graphic version of the changes in the AOU (NACC) taxonomy since the 7th Edition in 1998. You can download the graphic from here: AOU Taxonomy History. Warning: it's a 7-megabyte image file. (When it finishes loading, click on it to enlarge it to a readable form.) All...
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