I think that there are no differences with the "Hijo Ilustre" title.

http://es.wikipedia.org/wiki/Hijo_Predilecto_de_Andalucía
Hijo Predilecto de Andalucía
The title of Hijo Predilecto de Andalucía ("Favorite Son of Andalusia") or in the case of a female recipient Hija Predilecta de Andalucía ("Favorite Daughter of Andalusia") is an honorific title granted annually on August 10 according to decree 156/1983 of the Andalusian Autonomous Government, recognizing exceptional merit or distinction in relation to the Andalusian region, through scientific, social or political actions or works that have redounded to the benefit of Andalusia. It is the highest distinction of the autonomous community of Andalusia.

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Note added at 11 mins (2010-08-16 17:57:35 GMT)
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Lanzarote - Canary Island - Spanish Culture - [ Traducir esta página ]
For that very reason, 30 years after his insight and battle for his homeland that he was awarded the island's highest honour –Hijo Predelicto Favourite Son. ...
www.bellaonline.com/articles/art51157.asp - En caché - SimilaresChano Lobato, Flamenco guitarist Andalucía, music, culture of Spain - [ Traducir esta página ]
During his long professional career he has always been a favourite with the flamenco dancers, ... and hehas also been named Hijo Predelicto de Cadiz. ...
www.andalucia.com/flamenco/musicians/chano-lobato.htm - En caché