I have been birding Magnuson Park a couple of times per week for the past 4 years. Blue-wings are rather uncommon--I've seen one and another birder I know has seen one. The park checklist (now many years old) has them at one or two records, so sounds like you were pretty lucky!
There was a Say's Phoebe in the park last Friday (2/24), the second one I've seen in the park.
Message: 9 Date: Mon, 27 Feb 2017 09:10:00 -0800 From: Margaret Sandelin <msand47...> Subject: [Tweeters] Magnuson park To: <tweeters...> Message-ID: <58B45D68.7080900...> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
As a tyro birder I went to Magnuson park last Wednesday to look for the Cedar Waxwings as I have not seen them before, but it turned out to cloud over with a cold wind off the lake and I did not dress warmly enough and did not have a hat. I parked at the south end by the boat ramp. Only a couple crows inland but several birds on the water - without my book could ID mallards of course and a male Bufflehead. But saw a distinctively marked fowl I did not know with a white crescent behind the bill and in front of its eyes making me pull my book out of my backpack and IDed a male Blue-winged Teal. Don't know if he was an unusual or common visitor but thought I would mention it. Walking back to my car saw one of the crows on the ground working on a rat carcass. Margaret Sandelin Seattle