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Asiatic Black Bear - Ursus thibetanus
Topic Started: Jan 7 2012, 07:55 PM (6,032 Views)
Taipan
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Asiatic Black Bear - Ursus thibetanus

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The Asiatic Black Bear (Ursus thibetanus), also known as the Tibetan black bear, the Himalayan black bear, or the moon bear, is a medium sized, sharp-clawed, black-coloured bear with a distinctive white or cream "V" marking on its chest. It is a close relative of the American black bear with which it is thought to share a European common ancestor.

It grows to approximately 130 to 190 cm (4¼ to 6¼ ft) in length. Males weigh between 110 and 150 kg (240 to 330 lb) and females weigh between 65 to 90 kg (140 to 200 lb). The bear's life span is around 25 years.

The Asiatic Black Bear has a wide distribution range spanning from the east to west of the Asian continent. This bear can be found in the forests of hilly and mountainous areas in East Asia and South Asia, including Afghanistan, Pakistan, northern India, Nepal, Sikkim, Bhutan, Burma, southern Siberia in Russia, northeastern China, Taiwan and Japan. It can be found in areas with elevations as high as 4,700 m (9,900 feet), but in lower lands as well. In some parts of its range, the Asiatic black bear shares its habitat with the larger and stronger brown bear (Ursus arctos). However, the smaller black bear has an advantage over its competitor: its climbing skills which help it reach for fruit and nuts in the trees. Asiatic Black Bears share Giant Panda habitat in China's Wolong Reserve, where they feed occasionally, among other things, on bamboo, which is their more specialized relatives' favorite food. The Asiatic Black Bear type that is found in Taiwan is the Formosan Black Bear subspecies.

The Asiatic Black Bear is an omnivore which consumes a great variety of foods including fruit, berries, grasses, seeds, nuts, invertebrates, honey and meat (fish, birds, rodents and other small mammals as well as carcasses). The Asiatic Black Bear is thought to be somewhat more carnivorous than its American cousin. Nevertheless, meat only makes up a small part of its diet.

The bear has been known to be quite aggressive towards human beings (more so than the American black bear); there have been numerous records of bear attacks and killings. This is probably mainly due to the fact that the Asiatic Black Bear is more likely to come into contact with people, and will often attack if startled.

The Asiatic Black Bear is listed as vulnerable on the World Conservation Union's (IUCN's) Red List of Threatened Animals. It is threatened mainly by deforestation and habitat loss. The bears are also killed by farmers due to the threat they pose to livestock, and they are also unpopular for their habit of stripping bark from valuable timber trees.

Asiatic Black Bears are also threatened by hunting, especially for their gall bladders to obtain bile, which is used in traditional Chinese medicine. Since China outlawed the poaching of native bears in the 1980s, bear bile has been supplied to Chinese consumers by special farms, where the bears are kept constantly caged and restrained while catheters inserted in their gall bladders allow bile to drip into a container and be collected. Supporters of this practice contend that, without these farms, the demand for bear bile would create a tremendous incentive for poaching and put the already endangered species at even greater risk. Critics, however, assert that the practice is patently cruel and inhumane, and that synthetic bear bile, ursodeoxycholic acid, is just as medicinally effective as real bear bile, and in fact much cheaper.

Asiatic Black Bear
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Ursus arctos
Autotrophic Organism

taipan
 
Range of the Asiatic Black Bear
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Taiwanese biologist strives to protect Formosan black bear
Monday 2 April 2007

The aborigines call her “Bear Mother” and the media have dubbed her “Taiwan’s Jane Goodall” after the primatologist whose work in Africa made her a household name worldwide. Hwang Mei-hsiu has been tracking Formosan black bears in the wilderness of Taiwan’s central mountain ranges for a decade as she tries to ensure that the endangered animal is saved from the edge of extinction. Researching the bears, which she began for her doctoral dissertation, has led the 37-year-old to the most remote and isolated regions of the island and at times has put her in life-threatening situations.

“To study bears I have to capture them alive to gather first-hand information, and people thought it horrifying for a girl to chase bears,” said the slim, energetic and eloquent biologist. My family were also worried because nobody had done it before,” she said in a recent interview. Hwang worked on the small mongoose for her master’s degree in Taiwan and switched to the bears for her doctorate at the University of Minnesota in 1996. “It didn’t cross my mind at first to research bears but I came to realise it’s a challenging goal worth pursuing,” she said. “There is just not enough attention paid to the animal.” To most people, including skilled aboriginal hunters, her research seemed ambitious but impractical due to the rarity of Formosan black bears, also called moon bears for the pale yellow crescent across their chests.

There is no official figure on the number of black bears that have survived years of hunting and natural disasters in Taiwan, though conservationists such as Hwang estimate there are only several hundred at most left in the wild. Hwang and her small team — which includes aboriginal guides — began tracking the bears in 1998, knowing that traces of the animal’s existence had been found in coastal and central mountain forests. She had learned bear trapping skills while studying in Minnesota, where she tracked the animals in Voyageurs National Park, but she soon found the task was even more challenging in Taiwan.

“In the US, bears struggle less when trapped but here bears seem to know that death awaits them once they encounter humans and they fight for their lives to get away,” said Hwang, an assistant professor at the National Pingtung University of Science and Technology’s Institute of Wildlife Conservation. After a two-week mountain stakeout in October 1998 during which she battled a typhoon and rough living conditions, Hwang became the first researcher in Taiwan to capture bears in the wild, fit them with radio transmitters and release them to monitor their movements.

“It was an extremely exciting and nerve-wracking moment — I worried for the safety of the team and the bear,” she recalls as she describes how the first black bear she trapped fought viciously, roaring and jumping at her as it shook off half a dozen anesthetic needles before finally being subdued. The 149-centimetre (4.8-feet) tall female, which was named “Dilmu,” meaning bear in the aboriginal Bunun language, had lost a paw in what Hwang believes was an earlier poaching attempt.

In 1989 Taiwan banned the hunting of Formosan black bears, which are commonly known as Asiatic black bears, although some local biologists are trying to establish that those on the island are a subspecies. The Formosan black bear is categorised as endangered in Taiwan, while the Asiatic black bear is listed as a “vulnerable species” by the Swiss-based World Conservation Union (IUCN). Asiatic back bears are found across Asia, including Taiwan, Vietnam and India, and as far a field as Russia, though the total population is estimated at less than 50,000.

Despite the government ban, experts believe poaching continues because a bear can fetch up to 150,000 Taiwan dollars (4,545 US) on the black market. “The misconception that a bear’s paw is a delicacy and gall bladder (produces) a precious medicine is deeply rooted in Chinese culture,” Hwang said. She cites an old saying that “one cannot have fish and bear’s paw at the same time” — which refers to a traditional belief that fish and bear’s paw are both delicacies. “Old habits die hard,” she said.

Before the hunting ban, bear’s paw could be found on the menus of so-called “bush meat” restaurants touting dishes made of wild and rare animals from the mountains. Bear bile, cruelly and painfully syphoned from the bear’s gall bladder, is used as an ingredient in traditional Chinese medicine for alleged “detoxing and calming effects,” though the claims are of dubious merit.

Under Taiwan’s Wildlife Conservation Law, the hunting and killing of protected animals carries a maximum prison term of five years and a fine of up to one million dollars. Hwang said her team proved poaching was still rampant in the Taiwanese mountains when eight of the 15 bears they caught between 1998-2000 in the Tafen area of Yushan had lost a paw or at the very least several fingers.

“They lived in the back country where most aboriginal hunters would not go but still they couldn’t escape the misfortune,” said Hwang, who co-chairs the IUCN’s Asiatic Black Bear Expert Team. “There is still a chance to save the black bears from nearing extinction. I have to speak out to draw public attention to the bears, to create an inner voice in people that tells them to help conserve the endangered animal.” Hwang noted the recent public frenzies surrounding the appearance at Taipei zoo of king penguins from Japan and Australian koalas, and said she hoped Taiwanese people would develop an equal appreciation for their indigenous animals.

http://www.taipeitimes.com/News/taiwan/archives/2007/03/27/2003354044

Skull of an Asiatic Black Bear
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Average Skull Length: 27cm

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dasyurus
 
Bear poacher gets taste of his own medicine

Thursday, November 15, 2007

A poacher illegally hunting bears in Kashmir found the tables turned on him – when the bear fought back, and he became trapped in the hole he'd dug to trap the bear.

Makhan Khan, along with others, was trying to hunt the Asiatic bear near the village of Gasoo. Asiatic bears are an endangered species in the region.

The problem began for Mr Khan when the bear he and his companions were stalking turned around and charged at him.

As his fellow hunters fled, Khan made the mistake of stepping into the concealed hole they'd been trying to drive the bear into.

Up to his neck in the hole, he tried to fend the bear off with a long pole. The attempt was less than effective.

Pictures – taken by a photographer who was in the area to document the problem of illegal bear hunting – show the bear grabbing Khan's head as he tried to duck further into the hole to hide.

Fortunately for Khan, as his companions returned to the scene, the bear lost interest in his head and wandered away. He suffered multiple injuries in the attack, but survived.

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Khan tries to fend the bear off with his stick

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The bear grabs Khan's head as he gets stuck in his own hole

http://www.metro.co.uk/news/article.html?in_article_id=75807&in_page_id=34


taipan
 
Acorns key to Formosan black bear movements

NOT AFTER HONEY: A local researcher has found that the bears will roam to a particular region when acorns are plentiful and leave for other areas when they become scarce

STAFF WRITER, WITH CNA
Saturday, Apr 12, 2008

Formosan black bears, the only bear species endemic to Taiwan, forage near Yushan (Óñɽ) following the fruit bearing season of a specific kind of oak tree, a recent study conducted by local zoologists found.

Formosan black bear, or ursus thibetanus formosanus is a subspecies of the Asiatic black bear. The species, the largest mammal in Taiwan, usually inhabits forest areas at elevations between 1,000m and 3,500m.

Scientists believe that the bears leave their domain only when the food supply becomes scarce.

The zoologists, who have closely observed the black bear¡¯s activities for nearly a decade, reported on Wednesday that the number of bears in the region laced with ring-cupped oaks always rises sharply from October to January, corresponding with the period when acorns are produced.

Hwang Mei-hsiu (üSÃÀÐã), assistant professor at National Pingtung University of Science and Technology and leader of the project, said the average bear population in the neighborhood between October and January is around 1.5 times that in February to September.

¡°Bears usually begin to arrive by late October, and leave after acorns become scarce. When there are no nuts at all, the bears disappear entirely,¡± said Hwang during a thesis presentation organized by the Yushan National Park Administration, the supervising agency for the areas neighboring Yushan.

Hwang, nicknamed ¡°Mother Black Bear¡± for her contribution to the understanding and conservation of the endangered species, said during the years when ring-cupped oaks produce less fruit, the bears are more likely invade human territory to seek food.

Animal researchers suggested that the acorn production volume can be recognized as an index of the aggressiveness of wild black bears from October to January.

They also suggested that when the nut supply is expected to decrease, a warning about prowling bears could be issued to residents or tourists in the area.

http://www.taipeitimes.com/News/taiwan/archives/2008/04/12/2003409062



taipan
 


hyaenidae
 
Among the most exploited and persecuted of bear species, as well as my favorite bear species. Ursus thibetanus was my favorite animal up until about 2-3 years ago.

Asiatic Black Bear Conservation Action Plan
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firefly
Herbivore
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This specie did existed in Iberian Peninsula and in some more other regions/countries, like France or Italy ( and of course that it did existed in more European countries), until Late Pleistocene.

It represented a different subspecie, U. thibetanus mediterraneus.

A recolonization, would be expected if humans weren´t here.
Edited by firefly, Aug 28 2012, 08:27 AM.
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Warsaw2014
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Sources of information: 1. Bromley, 1956; 2. Bromley, 1965; 3. Bromley, 1968; 4. Geptner et al., 1967; 5. Suhomirov, 1976; 6. Hramtsov, 1979; 7. Kucherenko, 1972; 8. Bazylnikov, 1977; 9. Katalog mlekopitaushich , 1981; 10. Batalov, 1977; 11. Dunishenko, 1977. Compiled by V. Dezhkin, NP Lavrov.

nature.air.ru/doc/mammal/1_20.htm
Edited by Warsaw2014, Nov 23 2014, 10:43 PM.
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Sicilianu
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Omnivore
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The so-called Shennongjia white bear

I was intrigued when I discovered this title as perhaps an instance of a white morph in Asiatic black bears, as it seems other bears in genus Ursus species possess a "white morph," in addition to brown and black. Unfortunately, this appears to just be an albino Asiatic black bear.

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Why they would not recognize an albino and actually do genetic testing to see if it was a separate species/subspecies is beyond me. [see paper abstract below]


Yi Chuan. 2006 Oct;28(10):1237-41.
[A molecular phylogeny of Shennongjia white bear based on mitochondrial cytochrome b gene sequence].
[Article in Chinese]
Wang HJ1, Zhang ZM, Liu ZL, Xiong GM.
Author information
Abstract
The phylogenetic relationship of Shennongjia white bear has been an open question. Total DNA was extracted and sequenced from hair and feces of Shennongjia white bear. Based on the partial Cyt b gene sequence obtained from the samples, the authors aligned them using the Clustal W software program. The MEGA software was used to analyze the divergences and base substitutions of the partial Cyt b gene among the 11 species: Shennongjia white bear, Selenarctos thibetanus, Euarctos americanus, Helarctos malayanus, Ursus arctos, Thalarctos maritimus, Melursus ursinus, Procyon lotor, Ailuropoda melanoleuca, Ailurus fulgens and Tremarctos ornatus. The phylogenetic trees constructed by multiple methods (NJ and MP) supported nearly the same topology. Our molecular results show that the sequence divergence between Shennongjia white bear and Asiatic black bear (Selenarctos thibetanus) is lower than that between other species.
Edited by Sicilianu, Oct 22 2015, 01:57 AM.
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Ceratodromeus
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Some interesting records concerning the diet of this bear
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(From Vertebrate carnivores and predation in the oriental region)
Perhaps it's because I'm not very well versed in ursids, but I was unaware of these bears taking large prey like mentioned above.
Edited by Ceratodromeus, Feb 6 2016, 12:49 AM.
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Nergigante
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about the max size,the famed British sportsman known as the "Old Shekarry" wrote of how a black bear he shot in India probably weighed no less than 363 kg (800 lb) based on how many people it took to lift its body, The largest Asian black bear on record allegedly weighed 200 kg (440 lb). Zoo-kept specimens can weigh up to 225 kg (496 lb), at average males from ussuri older than the age of five can normally weight up to 298 pounds.
I found Russian asiatic black bear videos, its kind of hard when I do not know their language:




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The Asiatic black bear inhabiting the south of the Russian Far East (RFE) belongs to Ussury subspecies (Ursus thibetanus G. Cuvier 1823). This is the northeastern edge of the species' range. These animals are characterized by black color, a prominent crescent-shaped marking on the chest, and large rounded ears. Mature males are up to 2m in height, and in autumn, after accumulating fat, weigh up to 250 kg. Females are smaller.

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... ... ... ... ... ...
Edited by Nergigante, Apr 23 2016, 03:29 PM.
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Nergigante
Carnivore
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Asiatic black bear fight:


2:30


... .. ..
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Nergigante
Carnivore
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I found yellow/gold phased asiatic black bear video:

(The yellow black mixed colored asiatic black bear is seen at 2:23)

And another blonde phased black bear:


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How big do you think these two bears anyone:

6 foot inch ? Asiatic black bear Sitting next to a 5 foot 4/6 inch asian man:


Edited by Nergigante, May 2 2016, 02:38 PM.
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Nergigante
Carnivore
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I found pictures of hybrids:

Asiatic Black bear ursus thibetanus hybrid with ursos arctos ; Denver Zoo ; U.S.A. United States of America,


And another asiatic black bear brown bear hybrid :
3:56


Sun bear and asiatic black bear hybrid:
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Spectacled bear and asiatic black bear hybrid:
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This is the same hybrid but grown up
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Edited by Nergigante, May 6 2016, 09:08 AM.
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Taipan
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How bears bulk up ahead of the summer: A study into the Asiatic black bear's spring diet

Date: May 4, 2017
Source: Pensoft Publishers

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A young bear yawning on top of a rock in the Ashio-Nikko mountains.
Credit: Hiroshi Yokota; CC-BY 4.0

Much like gym enthusiasts, every year Asiatic black bears seem to be on the lookout for protein-rich food ahead of the summer, so that they can bulk up on lean muscle mass in place of the fat tissue formed last year prior to hibernation. This was concluded in a study by Dr. Shino Furusaka, Tokyo University of Agriculture and Technology and his team, based on direct observations on bears living across an area of about 60 km2 in Japan. The study is published in the open access journal ZooKeys.

In order to determine the bears' food preferences and habits, the scientists followed a large number of animals in the Ashio area of the Ashio-Nikko Mountains in Japan from April to July in both 2013 and 2014. To avoid unnecessary intrusion, they stayed at a distance of at least 200 metres using video cameras with telescopic lenses to document the sightings. Having documented the plant species the bears consumed, the researchers studied their nutritional content and made conclusions about the nutrients needed for the species after hibernation.

While heavily dependent on food availability, generally the bears were noted to prefer food which is high in protein, but poor in fibre -- likely because their stomachs and intestines were unable to efficiently digest the latter. Furthermore, the protein-rich diet ensures that the muscle mass is rebuilt to replace the lost winter fat.

Interestingly, the bears were observed to change their food preferences as spring progressed and that seemed to be linked to the shifts in the nutritional value of the available food.

Starting with their observations at the beginning of April, the scientists did not record any feeding behaviour until the end of the month. As leaf flush was yet to occur, the animals were active and feeding on overwintered grass. However, in early May, the bears began consuming newly emerged leaves, grass and, later in the month, they added flowers to their menu.

A shift in behaviour occurred in the following months. In June and July, the bears were seen to feed mainly on ants, with a small portion of their food intake consisting of grasses, sika deer carcasses and bees. Curiously, when the scientists looked into the nutritional content of the same plants which the animals sought only a few weeks ago, they found out that now they were significantly poorer in protein and richer in fibre.

Another finding showed that the calories in the different items were not related to the choice of food which likely proves that the key factor is none other than the amount of protein, provided that the fibre value is low enough for good digestibility.

Understanding the food preferences and habits of animals, as well as the reasons behind them, is essential for the development and revision of habitat management plans. However, previous knowledge of the feeding behaviour of Asiatic black bears has been based solely on faecal analyses which has not provided sufficient details on which nutritional factors influence the use of particular foods.

Story Source:
Pensoft Publishers. "How bears bulk up ahead of the summer: A study into the Asiatic black bear's spring diet." ScienceDaily. www.sciencedaily.com/releases/2017/05/170504110549.htm (accessed May 8, 2017).




Journal Reference:
Shino Furusaka, Chinatsu Kozakai, Yui Nemoto, Yoshihiro Umemura, Tomoko Naganuma, Koji Yamazaki, Shinsuke Koike. The selection by the Asiatic black bear (Ursus thibetanus) of spring plant food items according to their nutritional values. ZooKeys, 2017; 672: 121 DOI: 10.3897/zookeys.672.10078

Abstract
The present study aimed to investigate the nutritional aspects of the bear diet quantitatively, in order to understand plant food selection in spring. Bears were observed directly from April to July in 2013 and 2014, to visually recognize plant species consumed by bears, and to describe the foraging period in the Ashio-Nikko Mountains, central Japan. Leaves were collected from eight dominant tree species, regardless of whether bears fed on them in spring, and their key nutritional components analyzed: crude protein (CP), neutral detergent fiber (NDF), and total energy. Bears tended to consume fresh leaves of specific species in May, and nutritional analysis revealed that these leaves had higher CP and lower NDF than other non-food leaves. However, CP in consumed leaves gradually decreased, and NDF increased from May to July, when the bears’ food item preference changed from plant materials to ants. Bears may consume tree leaves with high CP and low NDF after hibernation to rebuild muscle mass.

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