By now, we're all pretty aware that the animals and Six Flags Discovery Kingdom are sports fanatics.Remember Siku the Walrus doing pushups with 49ers Coach Jim Harbaugh? 49ers' Harbaugh in Push-Up Contest With Walrus Well, now Siku and her furry pals are rooting on - who else? - but the San Francisco Giants, who play just minutes from their Vallejo amusement park. The team takes on the Kansas City Royals Friday at AT&T Park in San Francisco in Game 3 of the World Series. The two teams are tied 1-1.Siku and Uquq mugged this week for park spokeswoman Nancy Chan, who caught them nuzzling whiskered noses behind a an orange and black sign that reads, "Together We are Giants."Faruq the tiger clawed up a pole wrapped with rope, reaching for a "Go Orange and Black Sign."And Liberty the bottlenose dolphin thinks he has a lot in common with Hunter Pence. He said that both and the Giants outfielder and he can hold their breath under water for 10 minutes.Chan said the park animals always get into the spirit of the national sporting stage. They posed for photos each time the Giants have been in the World Series, and participate in Super Bowl "picks" every time...