To: "Jim Davis" <>, "Birding-Aus Mail" <>
Subject: Mirrors
From: "Bruce Cox" <>
Date: Fri, 22 Sep 2000 10:26:42 +1000

> Anne:
>     It is interesting that social birds such as the corella and
> are "quieter and apparently less stressed" when a mirror is placed in
> cages.  This makes me wonder about the role of visual vs vocal feedback in
> calming caged birds.  In this case, the mirror doesn't answer back
> there is visual feedback, of sorts.  Have you ever documented when the
> are quieter?  Are they initially quieter, but eventually become more
> Do the vocalizations change quality as well as volume (a decrease in
> is what I assume you are referring to when you use the word "quieter").
> lastly, what do you mean when you say "less stressed"?  Is there a sex
> difference?  Your observations are very interesting.
> Cheers, Jim

I know this was addressed to Anne however I participated in this discussion
at an earlier time. Both birds I mentiond in my email were male. Supurb
Fairy-wren and Spotted Pardalote.


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