I have seen the "freeze" quite often.  Birds sit perfectly still when they
perceive danger, presumably to not be noticed, at least no motion is
perceived.

Cynthia Crawford

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On Sun, Nov 24, 2013 at 8:57 AM, Ursula Rudd <[log in to unmask]> wrote:

> Last Friday on 29 November 2013,  a larger bird (unfamiliar to me, but
> larger than a American Robin, smaller than a dove, sleeker than a blue jay)
> crashed into my large window, but recovered to perch in a nearby tree.  At
> the exact same time two chickadees were feeding at my window feeder -- and
> surely heard the noise of the crash - froze in place for over a minute.
>  They looked like statues.  When a friend moved closer to that window, he
> saw their eyes move, but they were immobile.  I have bee watching
> chickadees at this feeder for almost 6 months now, and never have I seen
> them immobile.
>
> I am wondering is this common behavior when they suspect a threat?  I am
> new to bird watching!
>
> Any insight would be appreciated.
>
> Sincerely,
> --
> Ursula Szczurek Rudd
> E. Thetford
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