Invasive European Starlings are one of the most common birds in North American cities. Recent genetic research into European Starlings shows that populations in North America may have become better adapted to thrive in arid environments and colder temperatures compared to the milder climate of their home range in Europe. Evolution is an ongoing process, and sometimes the best examples can be found in birds that live right alongside us in cities.

More info and transcript at BirdNote.org. 

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