Dolphins smile all the time.
And with reason--especially at Marineland, on the Palos Verdes Peninsula, where there is always some human around to play with.
Dolphin performers and performers-in-training at the big aquatic amusement park are petted, patted, fed and helped to relax by a corps of 89 volunteers known as ORCAS . . . Organization for the Respect and Care of Animals of the Sea.