It would seem unlikely that there could be many surprises left in the category of wonders involving the abilities of primates. Still Animal Planet delivers enough to make a viewer gape. It's one thing to see the sacred macaques of Thailand using stolen human hair for tooth flossing. But nothing is equal to the party thrown by the 33-year-old bonobo male Kanzi, a resident of Iowa, shown selecting his picnic food, building a fire, toasting marshmallows (while looking remarkably self-satisfied), and carefully putting the fire out with bottled water. Who is going to top him?