Subject: RE: Swainson's thrush study
Date: Jul 17 13:57:25 1997
From: "G.Spitler/L.Cannon" - gspitler at awinc.com



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Hi Tweets,
Chris Maack wondered if the use of tapes is effective with hawks =
(Sharp-shinned and Cooper's, in particular). Her question set me to =
wondering as the playing of the "wail" tapes hadn't gotten any response; =
excepting, of course, red squirrels who got very nervous. Pine Siskins =
also seem to respond to the SSHA wail call.
As an experiment I tried out an American Kestral tape on a juvenile =
Kestrel who has been hanging around. It definitely called back for about =
2 minutes, then flew off. If juvenile SSHA are going to respond in kind, =
how far does their cry carry ? How close do we have to be to the actual =
bird ?
Gail Spitler
Johnsons Landing, BC
gspitler at awinc.com
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