Well, it wouldn't just be Idaho birds, I first noticed this in
California. And I've sat and watched the birds' bills move on
both calls. (Maybe the thrushes are imitating my cat, who sometimes
opens her mouth in a meow, but no sound comes out ;) )
jw

> Date: Tue, 02 Mar 1999 14:42:38 -0800
> To: jwesterv at uidaho.edu
> From: Diann MacRae <tvulture at halcyon.com>
> Subject: Re: Tin penny whistle - the final word (almost)
> Cc: tweeters at u.washington.edu

> At 11:29 AM 3/2/99 PST, you wrote:
> >
> >All the varied thrushes I've heard sing have a two note song. One
> >note clearer, the other buzzier, somewhere between a whistle &
> >kazoo. From what's been said, can I assume the tin whistle sounds
> >like this second note?
> >jw
>
> Do you suppose Idaho varied thrushes sing different songs, with two notes?
> The varied thrush bunch in my yard (2 acres) sing only one note. They
> "answer" each other, but the songs come from all over the place - always
> one note at a time. Interesting.
>
> Diann MacRae
> Bothell
> tvulture at halcyon.com
>
>
Jane Westervelt
Steve Kalloger
Moscow, ID