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
The Ape (1940 film) The Ape (1940 film) The Ape is a 1940 American horror film directed and produced by William Nigh, co-written by Curt Siodmak, and starring Boris Karloff. Produced and distributed by Monogram Pictures, it was the last film in Karloff's nine-picture contract with Monogram. Dr. Bernard Adrian is a kindly scientist who seeks to cure a young woman's polio. All he needs is spinal fluid from a human to complete the formula for his experimental serum. Meanwhile, a vicious circus ape has broken out of its cage and is terrorizing the townspeople. The Ape eventually breaks into Dr. Adrian's lab. The