The siamang is a gibbon that's native to the forests of Indonesia, Malaysia and Thailand Author: WLTX Staff Published: 3:56 PM EDT June 14, 2019 They are also trained to go into a crate or get onto a scale to be weighed. The siamang is the largest of the gibbon family and has an inflatable throat sac, allowing them to make loud resonating calls or songs. Because they are larger, siamangs probably do not live quite as long as other members of the genus. Siamangs are the largest and darkest of the gibbon species and are well suited for life in a forest’s treetops. Yet there are some features on their hands and feet that make siamangs different from their gibbon brethren. In the wild, siamangs might travel up to a mile, The San Diego Zoo received our first siamangs. … Discounts and offers vary by membership type and cannot be combined. Siamang calls are legendary. Common Name: Siamang. For a treat, keepers give the siamangs popcorn! Siamangs are rare, small, slender, long-armed, tree-dwelling (lesser) apes. It has long tubes inside it that open out on the surface, and keepers put in treats like baby food, applesauce, or barbecue sauce. Eloise, affectionately known as "Ellie," is the best mom a young siamang could hope to have. Mating will typically occur from May to July leading to the birth of an infant from December to February. Lifespan in the wild is likely to be lower still. Unkie is quite brave and enjoys harmlessly teasing the red apes, knowing his agility can quickly get him out of the way if need be. Lifespan/Longevity. With arms that are longer than their legs, siamangs’ main way of traveling through the rain forest is by brachiation. Life among the leaves: Want to find a siamang in its tropical forest home? Siamangs can grasp and carry things with BOTH their hands and their feet. The siamang is the only species in the genus Symphalangus. Because they live with the orangutans, this is also helpful in making sure they are getting the right amount of food (Unkie seems to enjoy stealing the orangutans' food!). Gift recipients must reside within ZIP codes 91900-92899. It is the only primate to walk erect on two legs (besides humans). The orangutans know how to use sticks as tools to dip into the holes to get the food, much as they would do in the wild to obtain termites, ants, and honey to eat. She's had lots of practice, having given birth to eight youngsters over the years—including the Zoo's youngest siamang, Selamat, a female born on November 12, 2018. The Siamang’s call is enhanced by its throat sac, helping to make it amongst the loudest of gibbon species. The San Diego Zoo’s siamangs are fed biscuits made especially for zoo leaf eaters and a variety of fruits and vegetables such as oranges, apples, bananas, melons, grapes, yams, Romaine lettuce, spinach, turnips, carrots, and onions. These small, or lesser, apes are in the same scientific family as gibbons. Enter 'Life in the Trees' and get breathtakingly close to our Siamang gibbons. Siamang families like to stick together as they go about their daily business. The motion of their arms looks like the left-right motion of striding legs. The father does his share of raising the baby and takes over the daily care of the youngster when it is about one year old. The newly independent siamang, male or female, begins to call and move separately from its parents and may spend several years looking for a mate. During brachiation, siamangs hang from a branch by one hand while swinging their body around to allow the other hand to grasp the next handhold, just like you might do on a playground’s monkey bars. Kings (and queens) of swing: Siamangs have slender bodies and lightweight bones for some serious swinging. Other enrichment for the siamangs and their friends include fresh browse, frozen “juice-sicles,” frozen fruit, and scattered foods like raisins that they can forage for throughout the day. 25-30 years in the wild. The closeness of the family is unusual among gibbons. Siamang hands and feet are a lot like ours. Your gift membership offers a lifetime of memories and your loved ones will experience the special wonder of the San Diego Zoo and San Diego Zoo Safari Park when you give a gift membership today. On the rare occasions they do choose ground travel, they walk on two legs, holding their arms over their heads for balance. One other thing that sets the siamang apart physically from other gibbons is webbing between their second and third toes. First thing in the morning, a family’s adult female usually starts a territorial hooting that the others join, and the noisy warning to other siamang families can last 30 minutes. They have a small head, arms that are longer than their legs, a short, slender body, and lightweight bones. The siamang sings very loudly in the morning, being heard up to three miles away. How can you recognize them? San Diego Zoo Global supports the conservation initiative of Association of Zoos and Aquariums’ Ape Taxon Advisory Group. They sing for about 15 minutes several times a day. He and Eloise, who was born in a Northern California zoo in 1981, have been together since 1987 and can often be heard singing duets in harmony. They’re usually found in the trees at a height of 80 to 100 feet (25 to 30 meters) in Malaysia and Indonesia. In 2003, a multilevel, naturalistic exhibit to house our siamangs and orangutans together was opened, as both species are native to the tropical rain forests of Sumatra. If they’re not swinging through the trees, they’re very likely walking along branches with their arms outstretched to help them keep their balance. These small, or lesser, apes are in the same scientific family as gibbons. In the wild, siamangs might travel up to a mile (1.6 kilometers) in a day. Scientific Name: Symphalangus syndactylus. The opposable thumb and toe is lacking in other members of the gibbon family. Gibbons. Kings (and queens) of swing: Siamangs have slender bodies and lightweight bones for some serious swinging. Siamang pairs will partner for life, a rare trait among primates. They also eat leaves and the occasional protein snack, which might include small birds or their eggs, spiders, and insects. More than half of the siamang’s diet in the wild consists of fruit. These booming calls can be heard up to 2 miles (3.2 kilometers) away through the forest. They can be heard through the forest up to 3.2 km distant. Category: Gibbon. This is unusual for most other primates. The main reason for this status is loss of habitat due to logging and agriculture. The lifespan of a wild siamang is about 30 years, although in captivity they can live to be over 40. Memberships valid through 12/31/2021. Size: 25-30 inches Weight: 17-23 lbs Lifespan: 35-40 years in the wild. These apes are almost exclusively arboreal, displaying "suspensory" behavior. The siamang is the largest and darkest species of gibbon. Look up! Siamangs, like all gibbon species, are listed as Endangered. One of Auckland Zoo's two siamang gibbons has been put down, ending an 11-year life in which he was believed to have been severely depressed. The siamang can be distinguished from other gibbons by its large size and dark fur. When it comes to family life, siamangs stick together. These very acrobatic primates live in southeast Asia. Reducing paper use will also help, since many of the paper products we buy in the US come from trees cut down in Indonesia. Reproduction. Weight at birth: About 6 ounces (170 grams), Height: 29.5 to 35 inches (75 to 90 centimeters) tall, from head to rump; males are slightly larger than females, Weight: 17 to 28 pounds (8 to 13 kilograms). If there were an ape musical, Unkie would be the leading man. A family group consists of one adult male and one adult female, along with two or three immature offspring that are only two or three years apart. The calls are used primarily for claiming territory, which can be as large as 50 acres (20 hectares). The siamang (Symphalangus syndactylus) is an arboreal, black-furred gibbon native to the forests of Indonesia, Malaysia, and Thailand. ENDANGERED. Symphalangus syndactylus is highly territorial. Be sure to watch Unkie, Eloise, Selamat, and their orangutan friends daily on Ape Cam. (Nowak, 1999) Behavior. 671 Sample size Small Data quality Acceptable Observations. These calls are thought to aid bonding of pairs as well as protecting territory, and can be heard from up to 5km away. He arrived in San Diego from a zoo in Florida in 1986 at age 3. Today, we have Unkie, our adult male, and his mate of many years, Eloise. These social bonds are reinforced by lots of mutual grooming. Leaves, fruit, insects, birds and small vertebrates. During activities, members are only about 30 feet (10 meters) apart, on average, and rarely is one animal separated by more than 100 feet (30 meters).
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