This particular cowbird is independent, that's true. Forgive my 
ignorance, but why is it extremely unlikely it was raised by House 
Sparrows?

June Tveekrem
Columbia, Howard Co, MD
tweekiebird AT toadmail DOT com


Paul Woodward wrote:
>     It is extremely unlikely that this cowbird was raised by House 
> Sparrows.  This bird has been independent for quite awhile and the only 
> reason it is associating with the House Sparrows is that both species 
> are attracted to the same food source.