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Re: Brain size in fossil/extant mammals linked to sociality

On Mon, Nov 29th, 2010 at 4:36 PM, "Richard W. Travsky" <rtravsky@uwyo.edu> 

> http://www.sciencedaily.com/releases/2010/11/101127105348.htm
> Dogs Have Bigger Brains Than Cats Because They Are More Sociable, Research 
> Finds
> ...
> They find that there is wide variation in patterns of brain growth across 
> different groups of mammals and they have discovered that not all mammal 
> groups have larger brains, suggesting that social animals needed to think 
> more.
> ...

It's a pity that the first 'related story' on that page is about tigers having 
larger relative brain sizes 
than lions. I suppose every rule has its exceptions. :-)


Dann Pigdon
Spatial Data Analyst               Australian Dinosaurs
Melbourne, Australia               http://home.alphalink.com.au/~dannj