Re: [Phys-l] reflections

[Bernard Cleyet <bernardcleyet@redshift.com>]

The question is not if, but when for rather intelligent non human 
animals, for example:

http://www.pri.kyoto-u.ac.jp/ai/essay/6_mirror.htm

And about those dolphins, PBWS (proof by web site): 

Although there were methodological problems with some earlier studies, 
it is now broadly accepted that chimpanzees, bonobos and orangutans can 
recognize themselves in mirrors. Claims that dolphins and gorillas can 
pass this test are disputed. And all other species examined (including 
fish, dogs, cats, elephants and parrots) react to themselves in a mirror 
either not at all or as if the reflection is another animal.


http://www.americanscientist.org/template/AssetDetail/assetid/14338

bc, googler

p.s. written before this am's downloading; birds "run into" glass, as 
sometimes does bc, because they don't see the glass.  Some practical 
people paste "stuff" on the glass w/ the intended result.

Josh Gates-fac wrote:

> Forum for Physics Educators <phys-l@carnot.physics.buffalo.edu> on
> Tuesday, May 02, 2006 at 9:53 PM -0500 wrote:
>  
>
> > After reading the NY Times article, I recalled reading somewhere (years
> > ago) that no animal recognizes its reflection in a mirror. This is
> > certainly true with my two cats! But I am wondering if it's true with
> > other species (e.g., domesticated birds), and if so, why? An
> > "intelligence"thing?
> >    
>
> I read a story around 2 years ago about dolphins recognizing their
> reflections...
>
> Josh Gates
> ------------------
> Noble and Greenough
> Dedham MA
>
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