Corvid Intelligence

[L&L Knight <>]

Having looked at the masks used by the researchers to test crow face  
recognition, I can say that I would react to the "dangerous face" the  
same way the corvids did.  That mask is very different from a normal  
human face, so I'm not surprised the crows could recognise it.  You  
could say that the mask was to a normal human face what a bike helmet  
is to a normal human head.

On 27/08/2008, at 11:21 AM, Scot Mcphee wrote:

> Crows can recognise human individuals.
>
> http://www.nytimes.com/2008/08/26/science/26crow.html
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