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

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  1. K

    Melanerpes question

    Can anyone tell me what morphologic or behavioral features tie this genus together? I guess I'm looking for synapomorphies, or is that the wrong big word? ;) More generally, it seems easy to find character summaries for families and then information on species-level taxonomy, but is there a...
  2. K

    New tripod for Nikon Fieldscope III

    Hi, I'm hoping to get some suggestions for a new tripod for my Nikon Fieldscope III? I had been happy with an old aluminum Manfrotto tripod, but a recent switch to a Manfrotto carbon-fiber tripod has been a disaster - lots of problems with a broken leg and poor service/repair issues. Does...
  3. K

    Availability of Nikon scope eyepieces?

    Hi All. I'm having some trouble locating a vendor that has a 40X wide angle eyepiece for my 60 mm Fieldscope in stock (even some of the web sites that list it as "in stock" actually don't)... :( One salesperson told me that Nikon is re-evaluating their eyepieces re: digiscoping needs and may...
  4. K

    Best scope magnification for sea watch?

    I'm sure there will be different opinions, but I'm contemplating buying a 40x wide angle eyepiece for my Nikon 60mm fieldscope for sea watches (the 25-60x zoom is great at 25x but pretty dark at higher mag)... Any votes for the optimal magnification for sea watches?
  5. K

    Textbook or review articles on avian phylogeny?

    I'm hoping that someone can recommend a review article or textbook with a good introduction to avian systematics/phylogenetics? I have a strong science background (PhD in molecular biology, although a while back), but I confess that I lack the knowledge of statistics, etc. to thoroughly...
  6. K

    Advice for organizing AOU checklist supplements?

    Perhaps a silly question, but I've just acquired the AOU checklist (7th edition) in book form, as well as all of the supplements, and I'm wondering how folks have been organizing them? In other words, are birders actually scribbling and crossing out names in the original checklist book (which...
  7. K

    Please help age this BBPL...

    Please help age this Black-Bellied Plover (USA, CA) Could someone help me age this Black-bellied Plover (Grey Plover to those of you across the pond? ;)). The photo was taken in early December on a California coastal mudflat. I think I could recognize a fresh juvenile in the fall, but can...
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