Date: 3/23/21 9:36 am
From: Jared Del Rosso <jared.delrosso...>
Subject: Re: [cobirds] Sparrow Song Mystery - Arapahoe
Over the past two weeks, I've heard but not seen this sparrow. It sings
without warning (of course, why would it let me know it's about to sign).
Once, I was in a series of Zoom meetings when I heard the bird through my
closed window. Another time, I stepped out my front door to hear it singing
from a neighbors' yard. Just yesterday, I heard the bird while on a dog
walk, now singing from a quarter to a third of a mile away from my home.

I've settled on it as a White-throated Sparrow. His song of 2-4 notes very
closely resembles the March recordings of the species that are available on
eBird. Funny, though, to not see the bird across 4-5 encounters with him,
several of which are within earshot of my yard. Funny, too, that he's
seemed to studiously avoid the bit of chokecherry / viburnum thicket where
I put down millet and where nearly every sparrow I've seen in my yard
spends some time.

- Jared Del Rosso
Centennial, CO

On Monday, March 8, 2021 at 3:27:02 PM UTC-7 Doug Ward wrote:

> Jared,
>
>
>
> Glad you made this post as it is a sure sign Spring is around the corner
> with all the birds firing up their singing voices. We’ve had an immature
> Harris’s at our place in southwest Denver (Athmar Park Neighborhood, Denver
> Co.) all winter and he (?) is really starting to stretch his pipes lately.
> He would occasionally throw out a typically grabbled “*Zonotrichian*”
> song on nice days the past few months (here since November), but lately is
> starting to find his inner Harris’s with the plaintive monotone notes of
> the full song beginning to take shape. It’s been fun hearing him learn and
> will definitely miss him when he finally gets good enough to head home to
> impress the girls (again, assuming it is a dude).
>
>
>
> Thanks again for your post, very interesting.
>
>
>
> Good Birding Listening,
>
> Doug
>
> Denver
>
>
>
> *From:* <cob......> <cob......> *On Behalf Of *Nathan
> Pieplow
> *Sent:* Monday, March 8, 2021 1:55 PM
> *To:* Jared Del Rosso <jared.d......>
> *Cc:* Colorado Birds <cob......>
> *Subject:* 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.d......>
> 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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