[Tweeters] California scrub jay - Wikipedia

[Robert O'Brien via Tweeters]

P.S.  And I don't believe I've ever had fledgling Scrubs come to these
feeders.  The Steller's Jays, on the other hand, bring their fledglings
immediately to the feeders, telling them *You're on your own now, kids.*

On Fri, Oct 31, 2025 at 10:33 AM Robert O'Brien <baro at pdx.edu> wrote:


> Here 20mi SE of Portland in a rural area ,the Scrub/Stellar (sic)

> Situation is exactly the same as Steve Loitz states.  Exactly, and has been

> this way for 50 years.  We get Scrub Jays coming up to us from the

> residential areas along the Clackamas River only in the summer when the

> babies are demanding a lot of food and we have available feeders in a

> coniferous/mixed habitat..  Always overrun by Steller's Jays.

> Bob OBrien  Portland

>

> On Tue, Oct 28, 2025 at 8:01 AM Steve Loitz via Tweeters <

> tweeters at u.washington.edu> wrote:

>

>> Ann, I have not seen any evidence that CASJs are pushing out STJAs in and

>> around Ellensburg. There is little overlap of their respective habitats.

>> Our CASJs are mostly in riparian zones and residential landscaped areas.

>> STJAs tend to stick to areas with confiers. We have seen them on the same

>> property, but no obvious antagonism.

>>

>> OTOH, CASJs may well be competition with Black-billed Magpies in some

>> places in our areas. I have some bickering between those two species.

>>

>> YMMV on the Wet Side of the Cascades, of course.

>>

>> Steve Loitz

>> Ellensburg

>>

>> On Mon, Oct 27, 2025 at 9:03 PM Ann Kramer <lens4birds at gmail.com> wrote:

>>

>>> I will be sad if the Steller's Jay's are pushed out of our area.  We are

>>> heavily forested with NGPA forests around, and I've only seen one Scrub Jay

>>> over the years.  The Stellar's come to the suet as a family unit, and they

>>> are the only brave enough to harass a Cooper's or Sharp-Shinned Hawk far

>>> from the busy feeders we have.  They are amazing to watch, as they work as

>>> a team to chase the Hawks and then quickly fly away, squawking, as it turns

>>> on them.  Such a lot of moxie!!!

>>>

>>> Ann

>>>

>>> On Mon, Oct 27, 2025 at 12:13 PM Steve Loitz via Tweeters <

>>> tweeters at u.washington.edu> wrote:

>>>

>>>> CASJs are now in and around Ellensburg. A few years ago, it was rare to

>>>> see one north of Yakima.

>>>>

>>>> Steve Loitz

>>>> Ellensburg WA

>>>>

>>>> On Mon, Oct 27, 2025 at 11:45 AM Chuq Von Rospach via Tweeters <

>>>> tweeters at u.washington.edu> wrote:

>>>>

>>>>> On Oct 27, 2025 at 11:36:37, Stephen Elston via Tweeters <

>>>>> tweeters at u.washington.edu> wrote:

>>>>>

>>>>>> I am regularly seeing California Scrub Jay in the Greenwood

>>>>>> neighborhood of Seattle. The Stelars Jays still outnumber them

>>>>>> significantly.

>>>>>>

>>>>>

>>>>>

>>>>> For better and worse, Scrub Jays are quite good at expanding

>>>>> territory. Back when I was living in California there was an area I was

>>>>> monitoring regularly over a number of years, and over about a decade, we

>>>>> saw it go from being primarily a Stellar’s Jay area to Scrub Jay territory

>>>>> with only a couple of isolated Stellar’s families in the deeper wooded

>>>>> areas. I expect by now the Stellar’s have been completely pushed out. Scrub

>>>>> Jays keep more of a family unit going than Stellar’s, which I think gives

>>>>> them an advantage when competing for territory (much like Northern

>>>>> Mockingbirds do). The Scrub Jays adapt much more easily to suburban and

>>>>> urban environments.

>>>>>

>>>>> Chuq

>>>>>

>>>>>

>>>>> ---------------------------------------

>>>>>

>>>>> Chuq Von Rospach (http://www.chuq.me)

>>>>> Silverdale, Washington

>>>>> Birder, Nature and Wildlife Photographer

>>>>>

>>>>> Email me at: chuqvr at gmail.com

>>>>> Mastodon:  @chuqvr at fosstodon.org

>>>>>

>>>>> Stay Updated with what I'm doing: https://www.chuq.me/6fps/

>>>>> My latest e-book: https://www.chuq.me/ebooks

>>>>>

>>>>>

>>>>> _______________________________________________

>>>>> Tweeters mailing list

>>>>> Tweeters at u.washington.edu

>>>>> http://mailman11.u.washington.edu/mailman/listinfo/tweeters

>>>>>

>>>>

>>>>

>>>> --

>>>> Steve Loitz

>>>> Ellensburg, WA

>>>> steveloitz at gmail.com

>>>> _______________________________________________

>>>> Tweeters mailing list

>>>> Tweeters at u.washington.edu

>>>> http://mailman11.u.washington.edu/mailman/listinfo/tweeters

>>>>

>>>

>>

>> --

>> Steve Loitz

>> Ellensburg, WA

>> steveloitz at gmail.com

>> _______________________________________________

>> Tweeters mailing list

>> Tweeters at u.washington.edu

>> http://mailman11.u.washington.edu/mailman/listinfo/tweeters

>>

>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman11.u.washington.edu/pipermail/tweeters/attachments/20251031/6217d562/attachment.html>