Blackbuck - Endangered 2. Asiatic elephant - Vulnerable 3. Andaman wild pig - Endemic 4. Himalayan brown bear - Rare 5. Pink head duck - Extinct.1. Endangered Species: Danger of extinction. Examples- black buck, crocodile, Indian wild ass, Indian rhino, lion-tailed macaque, Sangai (brow antler deer in Manipur), etc.2. Vulnerable Species: Declined to levels, to move into the endangered category in the near future if the negative factors continue to operate. The examples of such species are blue sheep, Asiatic elephant, Gangetic dolphin, etc.3. Endemic Species: Only found in some particular areas, usually isolated by natural or geographical barriers. Examples of such species are the Andaman teal, Nicobar pigeon, Andaman wild pig, mithun in Arunachal Pradesh.4. Rare Species: Species with a small population may move into the endangered or vulnerable category. The examples of such species are the Himalayan brown bear, wild Asiatic buffalo, desert fox and hornbill, etc.5. Extinct Species: A species may be extinct from a local area, region, country, continent or the entire earth. Examples of such species are the Asiatic cheetah (declared extinct in 1952), pink head duck.