Joined: July 2005
I guess giving you the year and names of the people quoted is not a sourcing. Quotes are to be performed accurately so cut and paste is a pretty good way to insure that.
I take it that fossils that cannot be found either formed too slowly or too fast, in the wrong place, at the wrong time or only the beaks that were perfect fits for the seeds available resulted from the random mutations on the genes controlling beak characteristics.
Were the finches that flew over from South America birds or non-birds?