The Rose-ringed Parakeets of Heidelberg
10,000 Birds
JANUARY 1, 2012
Unlike North America, Germany has never had naturally occurring psittacines that went extinct, and the one we have is a true and complete invasive alien introduction. University campus at Im Neuenheimer Feld, particularly in the north (turn off Berliner Straße and into the street Im Neuenheimer Feld) and south (park at the zoo, see below).
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