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หมีควาย latin dict size=62   common dict size=512
Image Info Original File Name: PICT0040.JPG Resolution: 2560x1920 File Size: 938806 Bytes Date: 2007:12:09 13:26:15 Camera: DiMAGE X50 (KONICA MINOLTA) F number: f/3.1 Exposure: 10/1800 sec Focal Length: 73/10 Upload Time: 2009:01:20 01:21:50
Author Name (E-mail): Justin Lai Hong Yi (justinlihai@yahoo.com)
Subject หมีควาย

หมีควาย; DISPLAY FULL IMAGE.
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หมีควาย

หมีควาย (Ursus thibetanus) จัดเป็นหมี 1 ใน 2 ชนิดที่พบได้ในประเทศไทย (อีกหนึ่งคือ หมีหมา (Ursus malayanus)) หมีควายมีลำตัวอ้วนใหญ่ หัวมีขนาดใหญ่ ตาเล็กและหูกลม ขาอ้วนล่ำและหนา หางสั้น มีนิ้วเท้ายาวทั้งหมดห้านิ้ว กรงเล็บสั้น ขนตามลำตัวหยาบมีสีดำ มีลักษณะเด่นคือ ขนบริเวณหน้าอกเป็นรูปตัว V มีสีขาว ตัวผู้มีขนาดใหญ่กว่าตัวเมียเล็กน้อย

ขนาดเมื่อโตเต็มที่ ความยาวลำตัวและหัว 120-150 เซนติเมตร ความยาวหาง 6.5-10 เซนติเมตร น้ำหนักอาจหนักได้ถึง 200 กิโลกรัม

มีการกระจายพันธุ์ที่ค่อนข้างกว้างขวางพบตั้งแต่ ภาคตะวันออกของปากีสถาน ภาคเหนือของอินเดีย ธิเบต เนปาล สิกขิม ภูฐาน พม่า ไทย ลาว เวียดนาม จีน คาบสมุทรเกาหลี ญี่ปุ่น ภาคตะวันออกเฉียงใต้ของรัสเซีย

มักเลือกอาศัยอยู่ในป่าที่มีความอุดมสมบูรณ์และมีอากาศเย็น เช่น ป่าบนภูเขาหินปูน กินอาหารได้หลากหลาย เช่น เนื้อสัตว์ ผลไม้ ใบไม้ หน่อไม้ ซากสัตว์ แมลง รังผึ้ง ตัวอ่อนผึ้ง บางครั้งอาจเข้ามากินในพื้นที่เกษตรกรรม มักออกหากินในเวลากลางคืน ปีนต้นไม้ไม่เก่ง แต่ชอบฉีกเปลือกไม้เพื่อหาแมลงใต้เปลือกไม้ หรือใช้แสดงเป็นสัญลักษณ์บอกถึงอาณาเขตของตัว ตามปกรติมักอาศัยและหากินตามลำพัง แต่ในฤดูผสมพันธุ์หรือมีลูกอ่อน อาจหากินเป็นคู่หรือเป็นกลุ่มเล็ก ๆ ใช้เวลาตั้งท้องนาน 7-8 เดือน ออกลูกครั้งละไม่เกิน 2 ตัว ตามโพรงไม้หรือในถ้ำที่ปลอดภัย หมีควายเป็นสัตว์ที่สายตาไม่ค่อยดี จึงค่อนข้างดุร้าย เมื่อตกใจหรือสงสัยจะยืนด้วยขาหลัง ต่อสู้กับศัตรูโดยการตะปบด้วยขาหน้าและกัดด้วยฟันอย่างรุนแรง นอกจากนี้แล้วยังมีพฤติกรรมที่แปลก คือ ชอบขดตัวกลมแล้วกลิ้งลงมาจากเนินเขา สันนิษฐานว่าเป็นการเล่นสนุก

The Asian black bear (Ursus thibetanus or Selenarctos thibetanus), also known as the Asiatic Black Bear, Tibetan black bear, the Himalayan black bear, or the Moon bear, is a medium sized, sharp-clawed, black-colored 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.[2]

The Asian black bear grows to approximately 130 to 190 cm (4¼ to 6¼ ft) in length. Males weigh between 100 and 218 kg (220 to 480 lb) and females weigh between 50 to 125 kg (110 to 275 lb).[3] The tail is 4.4 inches long.[4] The bear's life span is around 25 years.

The Asian 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 South Korea, North Korea, Afghanistan, Pakistan, Bangladesh northern India, Nepal, Sikkim (Indian state), 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 (13,776 ft), but in lower lands as well. In some parts of its range, the Asian 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. Asian 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 subspecies of the Asian Black Bear that is found in Taiwan is the Formosan Black Bear (U. thibetanus formosanus).

The Asian Black Bear is an omnivore which consumes a great variety of foods and are opportunistic and seasonal in diet. In fall, they fatten themselves on acorns, chestnuts, walnuts, and other fat-rich resources. They climb trees to get these foods, as well as picking them from the forest floor. In spring, new plant growth provides a bounty for the bears, which seek out bamboo, raspberry, hydrangea, and other plants. They also raid rodents' caches of acorns or collect those left on the forest floor from the previous fall, and may eat the rodents also on the rare occasion of catching them. Other plants offer food in summer, including raspberries, cherries, and grasses. Insect food, especially ants, augments the summer diet. Asian Black Bears will eat carrion, and sometimes attack livestock. Vertebrates, mostly small, are taken when available, including fish, birds, rodents and other mammals.[3] The Asian Black Bear is thought to be somewhat more carnivorous than its American cousin. Nevertheless, meat only makes up a small part of its diet.

This 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 because the Asian Black Bear is more likely to come into contact with people, and will often attack if startled. Due to their size and disposition, adult bears have few natural enemies, although they may comprise up to 7% of the prey taken by Siberian tigers where the two are sympatric.[5] Black bears are not preyed upon by tigers as frequently as brown bears, due to their ability to escape danger by rapidly climbing trees.[6]

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.

Asian 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.

[edit] Subspecies

* Formosan Black Bear, Ursus thibetanus formosanus Swinhoe, 1864, or Selenarctos thibetanus formosanus - in Taiwan
* Baluchistan Bear, Ursus thibetanus gedrosianus Blanford, 1877, or Selenarctos thibetanus gedrosianus - in Iran and Pakistan
* Japanese Black Bear,Ursus thibetanus japonicus Schlegel, 1857, or Selenarctos thibetanus japonica - in Japan
* Ursus thibetanus laniger (Pocock, 1932), or Selenarctos thibetanus laniger - in Afghanistan and southeast Iran and southern China
* Ursus thibetanus mupinensis (Heude, 1901), or Selenarctos thibetanus mupinensis - in southwestern China
* Ursus thibetanus thibetanus Cuvier, 1823, or Selenarctos thibetanus thibetanus - in Himalaya and Indochina
* Ursus thibetanus ussuricus (Heude, 1901), or Selenarctos thibetanus ussuricus[verification needed] - in Southern Siberia, northeastern China and Korean peninsula

ჰიმალაიური დათვი (ლათ. Selenarctos thibetanus), მტაცებელი ძუძუმწოვარი ცხოველი დათვისებრთა ოჯახისა. ჰიმალაიური დათვის სხეულის სიგრძე 1.3-1.7 მ, მამრების წონა 50-180 კგ, ხოლო მდედრებისა 42-70 კგ აღწევს. სიცოცხლის ხანგრძლივობა 20-24 წელია. ჰიმალაიური დათვი, ანუ აზიური დათვი ოდნავ პატარაა, ვიდრე მისი ამრეიკელი ორეული და ბინადრობს აზიის ტყისა და მთიან რეგიონებში, მოყოლებული ირანიდან კორეასა და იაპონიის ჩათვლით. მისი ლათინური სახელწოდება „Selenarctos“ ნიშნავს „მთვარის დათვს“. ეს სახელი მან მიიღო იმის გათვალისწინებით, რომ მკერდზე ნახევარმთვარის ფორმის თეთრი ნიშანი აქვს.ჩვეულებრივ მისი ბეწვი მუქი შავი ფერისაა, თუმცა გვხვდება მურა ან მოწითალო-მოყავისფრო შეფერილობის ჰიმალაიური დათვიც.

დათვის ეს სახეობა საუკეთესო მცოცავია, ამიტომ დროის უმეტეს ნაწილს ხეზე ატარებს. აქ იგი ტოტებისგან ბუდეს მსგავს ადგილს აწყობს და ხილითა და ფოთლებით იკვებება.

მხოლოდ ჩრდილოეთ რეგიონებში მობინადრე ჰიმალაიური დათვი იკეთებს ბუნაგს, სადაც ზამთრობენ და შობენ ბელებს. სამხრეთის რაიონების აზიური დათვები ზამთრის ძილს ხანმოკლე პერიოდს უთმობენ., ან სრულიადაც არ სძინავთ, ჩამოდიან რა მეტად თბილ ადგილებში და მთელი ზამთრის განმავლობაში აქტიურ ცხოვრებას აგრძელებენ.

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