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
Piaggio Ape torque for hills but a low top speed, which is irrelevant in the urban settings for which it was designed. Outside of towns, Apes are customarily driven as close as possible to the kerb to allow traffic to pass. The vehicles come in various configurations such as vans and pickups for load carrying (popular with postal administration in some countries) and an autorickshaw for human transportation (Tukxi). More recently Piaggio have made lifestyle models such as the Ape Cross Country and the Ape Web aimed at the young. The Ape is also commonly used as a promotion tool, with advertising