I saw and heard that MacGillivray's on Wednesday as well.
Dan

Dan McDougall-Treacy
Seattle, WA
danmcdt at gmail dot com
206.402.9426


On Thu, Jun 17, 2021 at 4:55 PM Jamie Holland <jamietholland at gmail.com>
wrote:


> My son, Vaughn, and I were at Marymoor (again) this morning and also saw a

> male MacGillibray's Warbler near the Mysterious Thicket singing a Common

> Yellowthroat Song! Vaughn insisted that it was singing the wrong song, and

> I had to agree.

>

> We spent maybe 30 minutes listening and puzzling over this one little

> bird, who was very difficult to photograph, before moving on, wondering

> what it was we'd seen. He'll be so glad to know that we weren't the only

> ones who saw/heard it today!

>

> He hypothesized that it was a hybrid (although it looked pure), or that

> perhaps it was just young and was getting his songs mixed up (there were

> quite a few Common Yellowthroats singing around us, too). He wasn't sure

> how these two species learn their songs, but will probably look it up when

> he gets home from riding bikes with his friends. Any thoughts on how this

> happens, or resources we can read to learn more?

>

> -Jamie Holland

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