A cold (40 F) and very foggy start to the day and it did not warm up very much. But, when the sun burned the fog off, the passerines responded exuberantly. Species of the day were definitely Fox Sparrow and Yellow-rumped Warbler: they were in good numbers (20+) and could be found all over the park. Many of the Foxes were singing. Other fun sightings:

Anna's Hummingbird - many. One hummer joined a group of Yellow-rumps fly-catching at the top of a Doug Fir. While the Warblers would fly out from a perch and chase a bug, the Anna's would simply position itself in the middle of the bug swarm, turning this way and that to snap up its prey. At one point, one of the warblers must have gotten too close as the hummer chased the warbler out of its zone, then returned to the same aerial location to continue its meal.
Cooper's Hawk - one bird did a serious chase, in the wetlands, at a height just above the trees, scattering a couple dozen birds, mostly Yellow-rumps, in the process.
Pileated Woodpecker - we get these at Magnuson infrequently. This one was working hard on a low stump, just feet off the trail, oblivious to me and a few dog walkers.
https://youtu.be/SoHC9-WFEMA
Yellow Warbler - one bird; getting late

For the abbreviated morning walk, 42 species.
Checklist: https://ebird.org/view/checklist/S48913413 <https://ebird.org/view/checklist/S48913413>
Scott Ramos
Seattle

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