[CPN] Article 21

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And birds should be easy, compared to most taxa. ... : )   -- kp


> Points taken, but... 
>  
>> (I also don't think that most  biologists really adopt different 
> > species concepts, though they tend to confuse operational criteria 
> > with concepts). 
>  
> Different criteria lead to different results. At our 2nd meeting (Yale 
> 2006), somebody (Yannick Bertrand, I think) gave a presentation, saying 
> that there are from 101 to 249 endemic bird species in Mexico, depending 
> on what one means by "species". That's what I mean. 
> 
 
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>  
-- 
Kevin Padian
Department of Integrative Biology &
Museum of Paleontology
University of California, Berkeley CA 94720-3140
510-642-7434 http://www.ucmp.berkeley.edu/people/padian/home.php 

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