Re: [cobirds] Question about song of Colorado white-throated sparrows

   I don't know about white-throated sparrows, but I remember that Stanford, or Cal Tech (?) was doing experiments in the 1980s, on the song sharing, changing, of white-crowned sparrows.

   Very interesting.

Jan Waddington - Jeffco

On Sat, Jul 4, 2020 at 6:59 PM Willem van Vliet <wwillem@gmail.com> 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

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