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Tony Leukering

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Everything posted by Tony Leukering

  1. Juvenile passerines generally have the tails that they're going to wear for the next year when they leave the nest.
  2. Yes, the clear collar, white central crown stripe, and stronger face pattern on the Clay-colored. From the two pix that I can see, I wouldn't be sure about the other Spizella, as collar patterns in Chipping and Brewer's can be very similar.
  3. You cannot tell from the photos, but the bird has blue-ish legs, like all vireos.
  4. Probably is good, but I don't have enough experience with young Woodies.
  5. Plovers are not peep, a category restricted to the small species of Calidris: Least, Baird's, White-rumped, Semipalmated, Western, and the stints. Solitary Sandpiper does not have a wing stripe. The last Myrtle Warbler is a juvenile and might not even have a yellow rump.
  6. Three of the species are represented by juveniles, the fourth by an adult.
  7. Yup. The extensively black scapulars are an obvious clue.
  8. Not all Eastern Wood-Pewees have obviously yellow mandibles. However, all Contopus flycatchers (the genus of the wood-pewees and Olive-sided) have very short legs; phoebes have long legs.
  9. Definitely Ring-billed -- Herring has much less black in the wing tip. The Broad-winged is a juvenile.
  10. This is a bird of the year, and I don't know that it is yet sexable by external appearance. Older males would have obvious red on the bill and red eyes.
  11. The streaking on the flanks of House is outside the purple color on the underparts.
  12. The beast seems to have yellow under-tail coverts, but nothing else about the bird seems to suggest a species with yellow under-tail coverts. Thus, I think that the bird's coloration is off in these pix. The legs look dark (perhaps with pale toes), so, if correct, most of the warbler species with entirely yellow underparts are ruled out on leg color. The yellow throat contrasting fairly strongly with the olive face suggests Pine Warbler, but the wing bars look too weak for that species, more like those of Palm. Are the tertial fringes too strong for Pine? If so, they're certainly too strong for Palm. All in all, I'm not sure of the ID of this bird. I lean toward Pine, but I think that "warbler sp." is a fine entry.
  13. Cape May is easy if you understand that it's the only Setophaga warbler with streaking on the throat.
  14. I am curious. Do you have a good field guide (Sibley or National Geographic)? Do you wish to understand how to know that the IDs are correct?
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