I'd say try video taping them and then run the tape on a big screen on
slo-mo, one frame at a time, counting as they drop out of sight. Set aside
a weekend for the counting!

Dennis Rockwell
Kennewick, WA
dennisrockwell at verizon.net
----- Original Message -----
From: "Larry Schwitters" <lpatters at ix.netcom.com>
To: <Tweeters at u.washington.edu>
Sent: Tuesday, March 18, 2008 1:48 PM
Subject: [Tweeters] count real fast


> Tweeters,
>
> Anyone out there have any ideas on how to get an accurate count of the
> number of individual swifts entering a chimney?
>
> Larry Schwitters
> Issaquah
>
> _______________________________________________
> Tweeters mailing list
> Tweeters at u.washington.edu
> http://mailman1.u.washington.edu/mailman/listinfo/tweeters
>