Ape years ago (Mya) the clades diverged into newer clades. The lesser apes are the gibbon family, Hylobatidae, of sixteen species; all are native to Asia. Their major differentiating characteristic is their long arms, which they use to brachiate through trees. Their wrists are ball and socket joints as an evolutionary adaptation to their arboreal lifestyle. Generally smaller than the African apes, the largest gibbon, the siamang, weighs up to ; in comparison, the smallest "great ape", the bonobo, is . Formerly, all the great apes except humans were classified as the family Pongidae, which conveniently provided for separating the human
Ape Escape "Mario Party" which was only released in Europe and Japan. In mid-2005, "Ape Escape 3" was released to positive critical reception. After the release of "Ape Escape 3", Sony Computer Entertainment Europe showed interest in publishing "Ape Academy 2" and "Ape Escape: Million Monkeys", however Sony Computer Entertainment America showed more interest in developing their own title. "Ape Academy 2" was released in 2006 for the PlayStation Portable to mixed success and sold very well in Japan, entering the "Best of" category, but failed to perform well in Europe, due to Sony focusing on "Million Monkeys". "Million Monkeys" was released