ENGLISH SPARROW

Yes, that plain little brown bird all over America is actually an English import.  They were brought over to help handle insect problems, and could become a problem themselves, but instead, just made itself part of the landscape.  There is enough larger birds to keep their population in check.  Again, being a wild bird I would never had had one had a downed nest not been found by the kids in the neighborhood after a snow.  They do abandon their nests, frequently, again, not adding to an overage of population