Sloth babies are the celebrities of the animal kingdom this year, appearing on Animal Planet's Too Cute and in Kristen Bell's birthday fantasies. But we'd like to nominate a new junior cutie: the white-handed gibbon! These little primates hail from Southeast Asia, munching on fruit, leaves, insects, and flowers in the wild. Sweater-clad Knuppy, a 3-month-old gibbon born at the Bremen Zoo, can't get enough of his bottle. And with eyes like his, how can a zookeeper with a heart resist?