[Tweeters] Marymoor Park (Redmond, King Co.) 2018-08-09

Michael Hobbs birdmarymoor at frontier.com
Thu Aug 9 16:19:31 PDT 2018


A beautiful day today at Marymoor, with a pretty good number of post-breeding visiting species to keep things quite interesting. Little actual singing, of course, and many hatch-year birds seen. A delightful 60 degrees pre-dawn, it warmed up to nearly 80 by the time we were done. Fairly birdy overall.

Highlights:
a.. Common Merganser – female with 4-5 ducklings at the weir
b.. Rock Pigeon – flyover flock – first since early May!
c.. Vaux’s Swift – 20-30 in flock at Rowing Club. Migrants?
d.. Rufous Hummingbird – still one at Pea Patch
e.. Spotted Sandpiper – apparent juvenile at weir
f.. California Gull – 3; ID verified during late lake scan
g.. Caspian Tern – 1
h.. Green Heron – juvenile
i.. Barn Owl – juv. heard in windmill, 1-2 glimpsed in East Meadow fog pre-dawn
j.. Western Screech-Owl – one heard pre-dawn near East Footbridge
k.. Hairy Woodpecker – across slough from Lake Platform
l.. Pileated Woodpecker – male in firs NE of mansion
m.. Willow Flycatcher – still abundantly singing
n.. Warbling Vireo – at least one adult
o.. RED-EYED VIREO – great looks near last Dog Beach – first since 2013!
p.. - Vireo sp. – ragged-looking bird was field-ID’d as juv. Warbling, but photos suggest a juv. Red-eyed!
q.. Purple Martin – most have fledged; many birds overhead, at least 1 still in a gourd
r.. Cliff Swallow – seen during late lake scan; may have seen one over East Meadow earlier
s.. Swainson’s Thrush - 2+ heard calling just before sunrise; no others detected
t.. Savannah Sparrow – only 1-2, East Meadow
u.. Common Yellowthroat – MANY, but I didn’t see/hear any adult males
v.. Yellow Warbler – 2-3, at least one a singing male
w.. Black-throated Gray Warbler – one, west edge of East Meadow
x.. Wilson’s Warbler – One in Cottonwood Forest
y.. Black-headed Grosbeak – Only 1 or 2
RED-EYED VIREO were previously summer residents at Marymoor, with 1 or 2 singing males, and successful nesting noted some years. They were dependably reported 12+ weeks each summer, from late-May through early September, every year from 1995 (when I learned their song from Brian Bell) through 2008. Then they suddenly became scarce.
2009: 6 reports
2010: 2 report
2011: 1 report
2012: 4 reports
2013: 2 reports
And then no more reports after that before today (though there is one ebird report each from 2014 and 2015).

Misses today included Hooded Merganser, Red-tailed Hawk, Violet-green Swallow, and Marsh Wren.

For the day, 60 species. For the year, adding RED-EYED VIREO, the park list is at 144.

== Michael Hobbs
== www.marymoor.org/birding.htm
== BirdMarymoor at frontier.com
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