[Tweeters] Marymoor Park (Redmond, King Co.) 2021-06-17

Jamie Holland jamietholland at gmail.com
Thu Jun 17 16:54:25 PDT 2021

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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