A Question of Migration
10,000 Birds
MAY 19, 2011
To a birder, migration means that you can live in Minnesota, New York, Paris or Moscow and see exotic tropical birds such as Piranga olivacea and Icterus galbula on a regular basis without buying a plane ticket. Some of the research being done then (the 1980s) was pretty naive and sometimes downright silly. Specifically, Itcher Tern.
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