Okay, So. Cal. is big so I will give some central locations:

Colorado River (Blythe): Doves, quail, ducks, geese, and if you're luck deer.

Palomar Mt.: Deer & Turkey.

Wister WMA: Quail, pheasants, geese and lots of ducks.

El Centro: Doves, quail, and pheasants.

S.B.N.F.: Deer & turkey, maybe birds too.

Temecula/ Hemet: Dove & quail.
Any other questions, feel free to ask.