Coincidentally, there is a very informative article on this in today’s Post.
Norm Lewis Sent from my iPhone > On Jul 5, 2020, at 12:03 PM, Pam Piombino <[email protected]> wrote: > > > Good question and nice link. Thanks to both, Pam > >> On Sat, Jul 4, 2020 at 8:13 PM Sandra Laursen <[email protected]> wrote: >> I don't know the answer, but can recommend the piece by Sarah Zhang in the >> Atlantic Monthly, with recordings and sonograms >> https://www.theatlantic.com/science/archive/2020/07/bird-song-sparrows/613768/ >> >> >> >>> On Saturday, July 4, 2020 at 6:59:33 PM UTC-6, Willem van Vliet wrote: >>> >>> A study, just published, shows the progressive eastward adoption of a >>> doublet-ending song among white-throated sparrows, replacing the >>> traditional triplet ending. The researchers found that birds from >>> different dialect groups overwinter together and suggest song tutoring >>> during this time is a facilitating factor >>> (https://www.cell.com/current-biology/pdf/S0960-9822(20)30771-5.pdf?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0960982220307715%3Fshowall%3Dtrue). >>> >>> Is there any information on how white-throated sparrows in Colorado fit >>> into this trend? >>> >>> Willem van Vliet-- >>> Boulder County >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Colorado Birds" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/cobirds/636fb675-8b48-45ac-9721-7bace1e92d77o%40googlegroups.com. > > > -- > > > -- > You received this message because you are subscribed to the Google Groups > "Colorado Birds" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/cobirds/CAF2zbdtuj4%3Dj7YDHyDHmJQze4L1F8FVH6wUQvhLL23dLTd%2BJ7A%40mail.gmail.com. -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/cobirds/A0077CD2-EC6C-4557-B1A0-54D1BD626E3C%40aol.com.
