Lesser Apes. This category covers questions about members of the family Hylobatidae, commonly known as Lesser Apes. Gibbons and Siamangs. hylobates (gibbons) 6 species. THE EVOLUTION OF SIAMANGS The earliest-known primates date from about 70 million years ago (Macdonald, 1985). They also differ from great apes … Diet and Behavior. Both apes and monkeys belong to the order of primates. They can … different color fur. The gibbons are known as the small, or lesser, apes; they are the most highly adapted of the apes to arboreal life. The largest species are known as siamangs, and can grow to 29 pounds. The oldest known living gibbon was a 60 year-old male Müller's gibbon named Nippy, who was housed in the Wellington Zoo in New Zealand. Like all species of apes, gibbons do not have tails. Great apes, for example, are able to recognize themselves in mirrors (monkeys and other nonhumans cannot, with the exception of bottlenose dolphins). Great Apes. Social Sexuality. The greater apes (family Pongidae, gorillas, chimpanzees, bonobos, and orangutans) split off from the lesser apes (family Hylobatidae, gibbons and siamangs) 20 million years ago. Other articles where Lesser ape is discussed: ape: …features; the gibbons are called lesser apes. Nomascus (crested gibbon) males and females are dichromatic. “Lesser apes (gibbons and siamangs) are the most numerous of the living apes, and we know that they evolved in Africa around approximately 20 million years ago.” But until the tooth was unearthed, the oldest known fossils of lesser apes were only 7 to 8 million years old. like chimpanzees, bonobos, & gorilla, humans. Found primarily in western and … Primates are characterized , among other things, by having the ability to grasp with both their fingers and their toes, color … Also called the lesser apes or small apes, gibbons differ from great apes (chimpanzees, bonobos, gorillas, orangutans and humans) in being smaller, exhibiting low sexual dimorphism, and … Hoolock gibbon. There are two kinds of lesser apes, gibbons and siamangs, and four types of great apes, gorillas, chimpanzees, bonobos, and orangutans. ... A genus of ape from the later Miocene known for its thickly enameled teeth, suggesting a diet of hard, tough, or gritty items. to maintain social bonds. The two families are closely related scientifically and share several common traits, but also have marked differences. The most obvious difference between greater and lesser apes is general size. The small apes, the gibbons and the siamang, and the orangutans, which belong to the great apes, are found in SE Asia..... Click the link for more information., family Hylobatidae, found in the forests of SE Asia. Gibbon, (family Hylobatidae), any of approximately 20 species of small apes found in the tropical forests of Southeast Asia.Gibbons, like the great apes (gorillas, orangutans, chimpanzees, and bonobos), have a humanlike build and no tail, but gibbons seem to lack higher cognitive abilities and self-awareness. little known. The siamang is found in the mountain and lowland forests on Sumatra (the westernmost island of Indonesia), Malaysia, and small parts of Thailand. All things pertaining to Gibbons, Lars, and Siamangs … Symphalangus (siamang) Largest lesser ape. The great apes include humans, chimps, gorillas and orangutans, while the lesser apes are gibbons and siamangs. Gibbons are a group of small (lesser) apes found in subtropical and tropical rainforests throughout Southeast Asia. Lesser apes were seperated off from humans well over _____ mya. Lesser ape vocalizations. 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