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Message: <blockquote data-quote="humminbird" data-source="post: 1672583" data-attributes="member: 14492">Nobody said the feeling was not natural, however the question was what did we think.  Having watched many shows that show just the type of situation you describe, it seldom ends to the benefit of either individual.  And, certainly in the case of host birds for the Brown-headed Cowbird, who are forced to adopt young of another species, it does not end well even though I am sure the parents "feel good" all the time they are bringing food to the parasite.We must also consider the impact to the species as a whole.  Mother nature has, for eons, thinned out the genes of those birds that did not have the "sense" to go south by a very natural means.  We have the ability to reason and must consider what our tampering with this process would mean.</blockquote>