Re: [cobirds] Sparrow Song Mystery - Arapahoe

Hi Jared,

Yes, Harris's Sparrows can sing quite a bit this time of year. Like the other Zonotrichias they build up to it gradually over the course of the winter. I might not rule out a White-throated Sparrow, but Harris's is a distinct possibility especially if all the whistles were on the same pitch.

Nathan Pieplow

Boulder

On Mon, Mar 8, 2021 at 1:50 PM Jared Del Rosso <jared.delrosso@gmail.com> wrote:

Yesterday, while wandering around my Centennial yard in the morning, I heard a sparrow sing a 3 or 4 note song of clear whistles. The bird stayed out of view the entire time and got ever farther away. It reminded me of the clear, strong notes opening a White-throated Sparrow's song. But it sounded most like the Harris's Sparrow's song. 

Has anyone encountered a Harris's Sparrow clearly singing its song this time of year, rather than giving the jumbled mess that I've heard a younger bird give a few springs ago? Or are White-throated Sparrow giving partial songs? (But it didn't seem right for that, as it didn't seem like much of a melody. Just a few repetitive notes). Or might be a different bird yet?

There are juncos and towhees around, making all kinds of weird noises and partial songs. This was distinct, cleaner, and sweeter in sound.

- Jared Del Rosso

Centennial, CO

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