This is easy to do in eBird and I don't believe you need an account to look
at the maps. This link should go to a map of area sightings for California
Scrub-Jay in 2016. You can adjust the date range or species at the top of
the page.

http://ebird.org/ebird/map/cowscj1?neg=true&env.minX=-
124.91801257343752&env.minY=47.01197890796433&env.maxX=-
118.46903796406252&env.maxY=49.14027872848674&zh=true&gp=
true&ev=Z&mr=1-12&bmo=1&emo=12&yr=range&byr=2016&eyr=2016

Anna's Hummingbird is another species that is interesting to look at the
changes in range over the years as they have been expanding.

Good birding,
Ryan Merrill
Seattle



> ---------- Forwarded message ----------
> From: Stewart Wechsler <ecostewart at gmail.com>
> Date: Wed, Sep 27, 2017 at 8:19 AM
> Subject: [Tweeters] Might someone want to map our expanding Scrub Jay
> population?
> To: tweeters at u.washington.edu
>
>
> Has anyone mapped the sightings of Scrub Jays in Washington and British
> Columbia? While I no longer count Scrub Jays in Seattle as rarities, I
> still count sightings, in areas I don't regularly see them, as notable, and
> a possible indication of a continuing expansion of their population, and
> possible range. I would love to see a map of area sightings, where I could
> click and see where they were seen one year, then click again to see where
> they were seen the next year. (I realize that as the Scrub Jays become
> more common, fewer people would add their sightings to such a map, so
> people looking at such a map would have to account for that.)
>
> I will add that here in Seattle, I have been regularly able to see them
> and hear them for a number of years, in Georgetown, south of Boeing Field.
> Also, just 2 or 3 days ago, I had, what I call a "notable sighting" a block
> from my apartment, near the West Seattle "Junction" (by California Ave SW &
> SW Alaska), an area I may, or may not, have seen them once before.
>
> After repeatedly seeing them in Georgetown, I came to see that
> neighborhood, in a flat flood plain of the Duwamish River, with sandier
> soils than most of Seattle, as more like some scrub-lands of California,
> where this species has been spreading north from over recent decades.
>
> -Stewart
> www.stewardshipadventures.com
> 206 932-7225 <%28206%29%20932-7225>
>
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>