Here are even more endangered animals of this world. The Ivory-Billed Woodpecker is so critically endangered that it is almost extinct. This bird lives, or lived, in the Southeastern part of the US as well as Cuba. This huge woodpecker was considered extinct until 2004, when a handful of tantalizing reports of sightings in Arkansas and Florida began to trickle in. However, definitive proof for the ivory-bill's continued existence has remained elusive, and if a population does not exist, it is likely to be tiny and extremely vulnerable. These woodpecker's owe their near, or complete extinction to habitat loss as well as over-exploitation by humans, who hunted them for their feathers.
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These Amur Leopards are a very rare subspecies that lives only in the remote and snowy northern forest of eastern Russian's Primorye region. It's former range included Korea and China, but the Amur Leopard is now extinct in those countries. In 2007, a census counted only 14-20 adult Amur Leopards and 5-6 cubs. Threats to these species include habitat loss due to logging, road building and encroaching civilization, poaching and global climate change.
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The Javan Rhino is the most endangered if the world's five rhinoceros species with an estimated 40-60 animals remaining on the western tip of the island of Java (Indonesia) in Ujung Kulon National Park. Another small population, containing as few as 6 rhinos, live in and around Cat Tien National Park in Vietnam. The water and swamp loving rhinos formally ranged throughout Southeast Asia and Indonesia, but has been hunted to near extinction for it's horn, which is used to make Asian folk medicine. Although it is now protected, it may not have a large enough breeding population to prevent the species from becoming extinct.
Some of these species are so endangered they are almost extinct! The world needs to help them, fast.
http://www.allaboutwildlife.com/ten-most-endangered-animals/