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Tony Leukering

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Everything posted by Tony Leukering

  1. And another: https://macaulaylibrary.org/asset/216992141#_ga=2.266628814.1948673611.1584928130-334541348.1399337695
  2. This bird is riding high and is not showing a contrastingly white flank patch. The white is the bird's side. Red-throated, which often shows a white flank patch, typically has a constrained white face patch like this. For example: https://macaulaylibrary.org/asset/216992181#_ga=2.99378142.1948673611.1584928130-334541348.1399337695
  3. White-throated does not have a brown, not gray, rump.
  4. I'd go with shorebird, but I don't see any suggestion of black wingpits.
  5. Extensive streaking on a non-juv rules out Swamp.
  6. One of the very coolest ducks -- cool vocalizations (particularly the choking of courting males), the wheel foraging strategy, interesting molt strategy -- just cool.
  7. Finally, in biology, "born" has a very specific meaning -- live birth from the mother. Birds hatch or are hatched.
  8. As example: https://macaulaylibrary.org/asset/85687941#_ga=2.62866540.1948673611.1584928130-334541348.1399337695 https://macaulaylibrary.org/asset/109001681#_ga=2.6636786.1948673611.1584928130-334541348.1399337695
  9. Could any of the local nightjars be breeding already? They always lay two eggs, which is an odd-enough trait in birds that it's almost diagnostic given certain situations.
  10. I agree that it's not a raven of any sort. I cannot see this bird being a Turkey Vulture, either. I don't agree that flapping rules out Golden Eagle. They regularly travel long distances in flapping flight. They cross Lake Superior at Whitefish Point doing it -- shortest crossing = 13 miles. Of course, the flapping flight of Turkey Vulture, Golden Eagle, and Common Raven are all utterly different from each other, such that, with extensive experience, one can differentiate amongst them with ease. Video would have been much more useful here. I vote for "diurnal raptor sp."
  11. The r2 is certainly notched. Rufous should be coming through, now, right?
  12. Too big, bills way too long, and upperparts too dark for Boney's.
  13. No rufous on tail, instead gray -- not much other choice for the locality
  14. Certainly not a Yellow Warbler lacking tail spots and obvious fringes to wing feathers. Orange-crowned seems reasonable.
  15. Produced this winter -- both crossbill species breed regular in winter.
  16. When I spent a lot of time in CR >20 years ago, this was almost the only place that I ever saw Green-crowned Brilliants. It's otherwise a canopy species that is hard to see from the ground.
  17. Even young Cresteds have some black plumage below, as do all Red-throateds, so obviously a Yellow-headed
  18. Assuming that you consider Brown Violetear to be not similar. 😎
  19. Streaks on underparts rule out vireos, as do black legs
  20. It would depend on when the photo was taken. If recently, then, yes, FEMALE Orchard. If taken in fall, then all bets are off relative to sex.
  21. https://www.thespruce.com/importance-of-molting-386470 https://jakesnatureblog.com/2016/11/17/bird-molting-what-why-when/ https://cobirds.org/CFO/ColoradoBirds/InTheScope/24.pdf
  22. COGR: large blackbird; curved culmen; large head deeper (front to back) than tall; females dark brown; females notably smaller than males; from Appalachians to east, males generally with relatively weak or no contrast in color between head/neck and body, though iridescence can mess with this; west of Appalachians, males with obvious bronzy body contrasting with purplish head RUBL: small-to-medium-sized blackbird; straight culmen; round head, though slightly elongated to deep; females warm brown; females slightly smaller than males; males, once the pale fringes have mostly or entirely worn off plumage in winter, are, essentially, unicolored Sibley illustrates the species quite well
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