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Forgotten species: the wild jungle cattle called bantengJeremy Hancemongabay.com January 31, 2012 Everyone knows the tiger, the panda, the blue whale, but what about the other five to thirty million species estimated to inhabit our Earth? Many of these marvelous, stunning, and rare species have received little attention from the media, conservation groups, and the public. This series is an attempt to give these 'forgotten species' some well-deserved attention.  Banteng bull caught on camera trap in Malua BioBank. Photo by: Sabah Wildlife Department (SWD).
The banteng is everything domestic cattle are not: rainforest-dwelling, wild, elusive, obscure, almost mystical. Yet for all that, the banteng are cattle. They just happen to be cattle of the tropical forests of Southeast Asia, sharing their dark verdured habitat with tigers, elephants, and rhinos. Although co-existing with such exotic animals, the banteng, in appearance, could almost be mistaken for domestic cattle; they are similar in both size and general impression, but a bit different in color and pattering: males sport a black coat with white stockings and rump, while females are tan to dark brown with similar stockings and rump.
A PhD student at Cardiff University, Penny Gardner is currently tracking banteng in two protected areas—Tabin Wildlife Reserve and Malua BioBank—in the Malaysian state of Sabah through the Danau Girang Field Center and Sabah Wildlife Department. Although wild banteng are found in several countries, including Indonesia, Myanmar, Thailand, Laos, Vietnam, and Cambodia, Borneo's banteng are considered by many to be a distinct subspecies. "They are the last large mammal of Borneo to be researched and very few people worldwide have heard of them. The threat of extinction is imminent; they are extinct from Brunei and Sarawak (Malaysia Borneo), and only occasional sightings of tracks are reported in Kalimantan (Indonesia Borneo). Sabah is the last stronghold, however the remaining forest habitat is fragmented and populations are isolated," she says. While the banteng is listed as Endangered by the IUCN Red List, Gardner says that listing comes from a "crude population estimate conducted in the 1980s." Today, the species may be on the verge of disappearing. "In reality, [the banteng] is the second most endangered large mammal in Borneo, after the Sumatran Rhino," explains Gardner. The species, across its range, is being pummeled by deforestation and poaching. Forests across Southeast Asia are being converted into palm oil, rubber, paper and pulp plantations at record rates. Although a protected species in all of its range states, the banteng is still illegally hunted with law enforcement lacking due to a dearth of funds. Given low populations and fragmentation of habitat, Gardner says the banteng is also facing "a reduction of gene flow between populations, (probable) inbreeding, hybridization with domestic cattle and disease transmission with domestic livestock." With the number of threats extinction may appear inevitable, but the situation is not yet hopeless. Employing camera traps, Gardner has secured photos of a healthy herd in Malua BioBank, which was granted protection in 2008 largely due to its substantial population of orangutans. Given the banteng's well-known elusive personality, Gardner has depended heavily on camera traps to document the species. Camera traps, which take photos remotely of wildlife when an animal "trips" an infrared sensor, have become incredibly important to recent studies of rare tropical animals. Researchers are able to sift an incredible amount of information from photos.
The photos are becoming the foundation for the first-ever study of the Bornean banteng, including population, behavior, breeding, health, and range. Gardner and her team also examine tracks and dung. Meanwhile, a new and extremely ambitious part of the project is upcoming. "This year we aim to fit GPS-Satellite tracking devices to some individuals so we can estimate home range size, dispersal distances and use of the forest habitat; this will require thorough planning and preparation and, if successful, it will be a huge accomplishment and the turning point in our understanding of banteng's behavior in the surrounding environment landscape," says Gardner. Once the masses of data is gathered and analyzed then comes the next step: conservation. The information from Gardner's work will eventually be used to come up with an action plan as to how best conserve the banteng in Sabah. Hopefully, the data will aid other banteng-range countries in developing additional plan to save the rainforest cattle. "In the meantime," says Gardner, "we need to ensure the perpetuity of all banteng herds, and other endangered fauna, by conserving and protecting their habitat, and by creating wildlife corridors between isolated forests. Additional steps include stemming the supply of illegal banteng meat by identifying hunting locations and supply chains, and tightening the penalties for those caught conducting this illegal activity, and increasing the awareness of this species through education and media both locally and globally." Although Gardner is focusing on the Bornean banteng, little more is known about the other subspecies on the Asian mainland and Indonesian islands. No one knows how many banteng survive in total, but it's likely not more than a few thousand. A few hundred banteng are thought to still survive in Cambodia's Mondulkiri Province; the Indonesian island of Java has four or five populations of over fifty animals each; populations in Thailand and Laos are likely very small; and no one knows about Myanmar. Almost all of these populations are declining due to similar problems: poaching and habitat loss. In a bizarre twist, the largest wild banteng population in the world is in Australia. Some 6,000 animals roam today on Australia's Cobourg Peninsula, all descended from around 20 individuals abandoned there in the late 19th Century. Technically an invasive species, Australia has had to ponder how to deal with the large endangered mammal. To date they have largely let it be give that the fish-out-of-water population is a possible safeguard against complete extinction: if little is done in Asia, Australia may be the banteng's last refuge. Despite the animal's scarcity and legendary shyness, Gardner has been fortunate enough during her long days of field work to run into the species—once. She says that her team was "incredibly lucky" to see a herd during July of last year, noting that "there are some people who have worked in the forest for decades and have never ever seen a banteng."
The sighting actually convinced one of her field assistants that the banteng was in fact real and not a myth. Unlike orangutans, elephants, clouded leopards, and even Sumatran rhinos, the banteng is almost wholly unknown to the public. "I would say the vast majority of people within Sabah do not know about the banteng. Those people that have heard of them are either involved in wildlife research or protection, nature related tourism, or live near to the forest," says Gardner, adding that knowledge is likely even less abroad. "Globally speaking, the Banteng is probably only known to wild cattle specialists [...] Of the people I have spoken to, many have difficultly in believing there are wild cows (Bovidae) in the tropical jungles of Borneo and others are resolute the Banteng are not wild at all but are in fact feral cattle." But wild cattle species like the banteng, living their lives hidden among the dense, but vanishing, forests of Asia, are actually surprisingly numerous. On the Indonesian island of Sulawesi dwell two tiny wild cattle called anoas (lowland anoa: Bubalus depressicornis, and the mountain anoa: Bubalus quarlesi); likewise on the Philippine island of Mindoro roams a small, and Critically Endangered, buffalo-like animal known as the tamaraw (Bubalus mindorensis). Wild water buffalos (Bubalus arnee) still survive in India and wild yaks (Bos mutus) in Tibet. The large bovine, the gaur (Bos gaurus), makes its home across much of Central and Southeast Asia and is probably the least endangered of Asia's wild cattle species. The kouprey (Bos sauveli) was once found in a small region of Southeast Asia, but may now be extinct: an individual hasn't been seen since the 1980s. But not all wild cattle news is depressing: in 1992, scientists made the remarkable discovery of a new large mammal: the saola (Pseudoryx nghetinhensis) in Vietnam. Although it looks like an antelope, the incredibly cryptic animal is actually most closely related to bovines.
In 1627, the last auroch (Bos primigenius) died in the forests of Poland. Once widespread throughout Europe, North Africa, and Asia, the auroch is the ancestors of today's familiar domesticated cattle. Aurochs, however, like banteng were wild; they were bigger, denser, and fiercer than today's domesticated version like comparing Superman with duller Clark Kent. They had to take on predators from wolves to leopard to lions. They even fought gladiators in the Roman games. These uber-cattle grace some of the world's earliest cave paintings and were worshiped by some ancient cultures. But the auroch eventually met its end due to many of the same forces that today imperil the banteng: habitat loss, over-hunting, and breeding with domestic cattle. While the auroch is long gone (though some researchers hope to re-create the species through genetic research) the banteng is not. There is still time to save this wild, rainforest bovine; this cryptic, orange-colored cow; this animal who has the capacity to change our minds about the mundaneness of cattle. The Borneo Banteng Program would like acknowledge its sponsors and collaborators: Sabah Wildlife Department (Dr. L. Ambu), Danau Girang Field Centre (Dr. B. Goossens), and the NGO HUTAN (Dr. M Ancrenaz), with funding from Houston Zoo, the Malaysian Palm Oil Council, the Mohamed Bin Zayed Species Conservation Fund and Woodland Park Zoo. The project collaborates with several partners such as the Sabah Forestry Department, New Forests Asia Sdn Bhd and the Malua Biobank Project, Cardiff University, and the Leibniz Institute for Zoo and Wildlife Research whom kindly provided all camera traps.  Female banteng in Alas Purwo National Park, Java, Indonesia. Photo by: Rochmad Setyadi.  Female Bornean banteng caught on camera trap in Malua Forest Reserve. Photo by: Sabah Wildlife Department (SWD).  A camera trap photo catching a dominant bull and two bullocks simultaneously feeding from the artificial salt lick in Malua Forest Reserve. Photo by: Sabah Wildlife Department (SWD).  Camera trap photo: a large herd with young calves visiting the artificial salt lick in Malua Forest Reserve. Photo by: Sabah Wildlife Department (SWD).  Gardner teaching field assistant to collect banteng dung samples. Photo by: Penny Gardner.  On the road to Tabin Wildlife Reserve through 26 kilometers of oil palm plantations. Tabin is in the far distance. Photo by: Penny Gardner.  The oil palm plantations surrounding the west of Tabin Wildlife Reserve. Photo by: Penny Gardner. To discover more of the world's forgotten species: Click Here.
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(01/20/2012) A significant population of the rarely seen, little-known Miller's grizzled langurs (Presbytis hosei canicrus) has been discovered in Indonesian Borneo according to a new paper published in the American Journal of Primatology. Feared extinct by some and dubbed one of the world's 25 most threatened primates in 2005 by Conservation International (CI), the langur surprised researchers by showing up on camera trap in a region of Borneo it was never supposed to be. The discovery provides new hope for the elusive monkey and expands its known range, but conservationists warn the species is not out of the woods yet.
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