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

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  1. njlarsen

    Icteridae

    you are taking about a special issue from AOU (before they got that name) on species and subspecies determination, where some papers argued that subspecies were impossible to define and others tried to define limits of diagnosability for when more than one subspecies should be recognized within...
  2. njlarsen

    Icteridae

    Seems a large proportion of recent generation hybrids! Niels
  3. njlarsen

    Icteridae

    I do not understand the last two posts. If you have an older version of MS office, there is a free download of file converters from microsoft. If you do not, then the free download of Open office has been able to open .xlsx files since version 3. http://www.openoffice.org/dev_docs/features/3.0/...
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