Subject: [Tweeters] Study examines memory in expert birdwatchers
Date: Wed Jul 13 15:22:37 PDT 2022
From: rw - rw at

I found the article in Proceedings of the National Academy of Sciences of
the United States of America, Vol. 119, Issue 26 (2022): article 2204172119.
This is in the (second?) Psychological and Cognitive Sciences section of
that issue.

Re Steven Wood question about sample size of the study:

Sample size: 66 experts (73% female) and 57 controls (75% female). All were
in the Toronto area. The experts, i.e., could identify more than 20 species
found in the local habitat and had bird knowledge beyond common backyard
species, had mean age 48.1 and a mean of 18.1 yrs education. The control
persons were outdoor enthusiasts (gardeners, fishers, hikers, etc.) who had
no local bird knowledge beyond common backyard species, and they had 47.9
yrs mean age and 17.6 yrs mean education.

-----Original Message-----
From: Tweeters On Behalf Of tweeters-request at
Sent: Wednesday, July 13, 2022 12:05 PM
To: tweeters at
Subject: Tweeters Digest, Vol 215, Issue 13

Send Tweeters mailing list submissions to
tweeters at

To subscribe or unsubscribe via the World Wide Web, visit
or, via email, send a message with subject or body 'help' to
tweeters-request at

You can reach the person managing the list at
tweeters-owner at

When replying, please edit your Subject line so it is more specific than
"Re: Contents of Tweeters digest..."

Today's Topics:

1. Re: Pacific-slope Flycatcher in Garden (Stan Bezimienny)
2. Study examines memory in expert birdwatchers (Wood, Steven)
3. Barry - Merlins v Hummers (Michelle Landis)
4. Austin Texas Trip (Gary Cummins)
5. Re: Study examines memory in expert birdwatchers
(Larry Schwitters)
6. Re: Austin Texas Trip (Philip Dickinson)
7. Re: Austin Texas Trip (LMarkoff)
8. Re: Barry - Merlins v Hummers (Robert O'Brien)
9. bird magazines, anyone? Bueller? (Gary Bletsch)
10. non-turkey vulture report for June (Diann MacRae)


Message: 1
Date: Tue, 12 Jul 2022 14:26:19 -0700
From: Stan Bezimienny <grzebiuszkaziemna at>
To: tweeters at
Subject: Re: [Tweeters] Pacific-slope Flycatcher in Garden
Message-ID: <A674012D-EA85-4C04-8635-C2F0FC7707B5 at>
Content-Type: text/plain; charset=us-ascii

I had Pacific-slope Flycatcher nesting *on* my house (literally, on the bend
of a downspout, 6 ft off the ground) - in Lake Forest Park twice. I was able
to extensively photograph parents and later juveniles from both outside and
inside of the house. And, I hear them every year in season from tall
conifers around the house.


Stan in LFP

> On Jul 12, 2022, at 12:08, tweeters-request at



> Pacific-slope Flycatcher in Garden


Message: 2
Date: Tue, 12 Jul 2022 21:44:01 +0000
From: "Wood, Steven" <woodsteven at>
To: "tweeters at" <tweeters at>
Subject: [Tweeters] Study examines memory in expert birdwatchers

<SJ0PR04MB7501A36768075643C584273BA7869 at

Content-Type: text/plain; charset="us-ascii"

"The memory test centered on bird pictures.

Wonder how large a sample they had?

Who can find the published study? I haven?t looked very hard but have

The study is linked at the bottom of the ScienceDaily article, but a direct
link is here:

The structure of prior knowledge enhances memory in experts by reducing
interference | PNAS<>