Backyard birdfeeders driving avian evolution

[Michael Tarburton <>]

G'day All

On 05/12/2009, at 1:01 PM, L&L Knight wrote:

> "This is a nice example of the speed of evolution," he added. "It  
> is something that we can see with our own eyes if we only look  
> closely enough. It doesn't have to take millions of years."'
How can this be an example of evolution when even they themselves  
said earlier . . .
'Schaefer says it isn't clear whether the ecotypes will ever become  
separate species;" ?
It looks like selection of a genetic variation that was already present.

Happy thinking

Mike


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Michael Tarburton

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