Another stable population exists in northern France, where several pet raccoons were released by members of the U.S. Air Force near the Laon-Couvron Air Base in 1966.
Outra poboación estable existe no norte de Francia, onde varios mapaches mascota foron liberados por membros das Forzas Aérea de Estados Unidos preto da Base aérea de Laon-Couvron en 1966.