Holiday fun begins at Roger Williams Park Zoo Saturday morning as Santa arrives in the zoo’s parking lot. The Very Merry Dickens Carolers will sing holiday favorites before Santa hops in his holiday golf cart, leading a parade through the zoo. The parade ends at the zoo’s Jambo Junction, where spectators can have their photos taken with parade participants before visiting with the animals. Those interested may bring a new, unwrapped toy to be donated to Toys for Tots.