The life span of the Cooper's Hawks banded between 1974 and 1979 is now believed completed. The band recoveries provide the first information on the migratory characteristics of the species in the Pacific Northwest. Cooper's Hawks nesting in northeastern Oregon winter in western Mexico. The second-year female shot near Zihuatanejo, Guerrero, Mexico on November, 12, 1977, is one of the southernmost records for the species.
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Wintering localities of Cooper's hawks nesting in northeastern Oregon