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

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  1. M

    american nightjars/chordeiles

    Not being much of a birdwatcher, often I can't help but to notice. In southern Arizona several yrs ago I noticed, at night, a group of nighthawks flying near a billboard with lights gleaming. As a matter of default to the fact that about all references I have consulted--the more common...
  2. M

    Note on subspp.

    An interesting observation on subspp. from one who has only begun to understand the nature of taxonomy--It seems apparent that no subspecies name can be used in a particular genus if a species already has that name taken. Therefore, they are recognized as individual taxons within a genus...
  3. M

    Note on dubious hummingbird spp.

    This may already be well established knowledge, but the Howard and Moore checklist, 2nd edn. (1991), which I personally use as my own reference, lists no fewer than 15 spp. of Trochilidae which are considered dubious, and not even subspp. of other hummingbirds. They are-- Threnetes grzimeki...
  4. M

    On the sale of specimens

    I am an enthusiast in the nature-art relation of birds. knowing that many naturalist-artists before my time used the actual specimen, or skin, for assistance in their work (and something that is still done today with museum skins used in field guide illustration), I would like to know about any...
  5. M

    Howard and Moore 2003 list

    I was wondering if anyone has seen this particular list (by E Dickinson) and, genrrally, how does it differ in terms of familiy arrangements and numbers of spp. with the prior edition from 1991, which i am familiar with.?? Also, was there ever printed, as I vaguely recall, a "revised 2nd"...
  6. M

    What is the generic synonym of Ptilochloris?

    Does anyone know the generic synonym of the above generic term, a passerine I believe authored by Swainson. the site abebooks.com features an illustration of a {Ptilochloris buckleyi} which is interesting considering the juvenile spec. figured in the picture (the head looks like a pincushion)...
  7. M

    Cicadabird "Coracina sula"

    I am interested in knowing what this particular sp. looks like. Does anyone know of any published references or field guides that would include it? or any published pictures on the web? That would be greatly helpful. This bird has been listed as endangered but apparently isn't included in the...
  8. M

    Christine Jackson's 'Dictionary'

    This is my first message on this discussion board. I would like to point out to anyone who is interested a gaping error that is evident in the above-referenced title, (1999). I was surprised and disappointed that the artist P. M. W. Trap, (nineteenth-century) is omitted in the catalogue. He...
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