> Anne:
>
> It is interesting that social birds such as the corella and
apostlebirds
> are "quieter and apparently less stressed" when a mirror is placed in
their
> 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
although
> there is visual feedback, of sorts. Have you ever documented when the
birds
> are quieter? Are they initially quieter, but eventually become more
active?
> Do the vocalizations change quality as well as volume (a decrease in
volume
> is what I assume you are referring to when you use the word "quieter").
And
> lastly, what do you mean when you say "less stressed"? Is there a sex
> difference? Your observations are very interesting.
>
> Cheers, Jim
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.
Bruce.
Birding-Aus is on the Web at
www.shc.melb.catholic.edu.au/home/birding/index.html
To unsubscribe from this mailing list, send the message
"unsubscribe birding-aus" (no quotes, no Subject line)
to
|
