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Sumatran Orangutan endangerment becomes worse
In 1956 scientist found that Sumatran Orangutans were endangered and were being killed very often. about 60 years later the population decreases even more and becomes worse. Due to serious logging the population lost 80% of it's individuals. -
South China Tiger Becomes Endangered
During the 1970's the South China Tiger's population decreased in China, and during the 1990's there were said to be about 50 of these tigers in captivity. None were found in the wild. -
The Leather Back Turtle becomes endangered
The Leatherback Turtle has been endangered since 1970. This species's population has decreased because of fishers and marine biologists. Most people butcher this animals for its leather like shell. For example, more than 11,000 of these marine turtles are hunted for and caught in massive sized nets. -
Sumatran Tiger is Listed as Endangered
Starting in 1978 the Sumatran Tiger's population was cut in half and was reported to be around 1,000 individuals.To this day the population has decreased even more to 500-600 individuals. -
The Cross River Gorilla is Found and Studied
The Cross River Gorilla was founded in the 20th century, 1907. This gorilla wasn't found to be endangered until 1987, 80 years later, and was estimated from 200-300 -
Amur Leopard Enters Endangerment
The Amur Leopard is the most endangered cat of all. As there are none found in the wild, and barely any are found in captivity. -
The Sumatran Orangutan becomes endagnered
The Sumatran Orangutan's population has decreased since 2004. It has decreased over the years because of many structures. In this same year 30% of the were in custody, because of a tsunami. -
Black Rhino joins the critically endangered list
As of 2012, black rhinos have been assigned "critically endangered" population status by the IUCN Red List of Threatened Species. Critically Endangered. The "critically endangered" classification of the black rhino is due to the species' immense, 97.6 percent population drop from the beginning of the 1960's.
Reference: Google.com