Gone Forever or Are They?

West African Black Rhino

West African black rhino, also known as Diceros bicornis longipes was declared extinct in 2006. This majestic animal was decided extinct after the last remaining rhino couldn't be found in Cameroon. This rhino was one of four species of the rhino. The west African black rhino became extinct because poachers hunted this animal for its horns. This rhino lived in primarily grasslands and bush lands. They are also herbivores but can sometimes turn aggressive when they feel threatened. Rhinos niche was their thick skin harbors parasites, which are eaten by the tick birds that live with the rhino. The black rhino was a key animal to the ecosystem because it was a mega-herbivore Many animals that relied on the black rhinos population began to explode.

Amur Tiger

The amur tiger or the Panthera tigris altaica, unfortunately, is on the list of endangered animals. Like the west African black rhino, poachers are a huge threat to this animal. Many poachers are attracted to the amur tiger because of its beautiful fur coat, and large teeth. The tiger is active at night, and feed on large hoofed mammals. They have long claws and muscular forearms with sharp teeth that could kill an animal instantly. If the amur tiger was to become extinct, its prey like bore, elk and deer population would increase dramatically.
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American Crocodile

The american crocodile or the Crocodylus acutus is truly back from the brink. The American crocodile is a primarily tropical species reaching the northern end of its range in southern Florida. One way the crocodile has come back from being endangered is the laws that were created making hunting this animal illegal. If the crocodile became extinct there would be an increase in population of fish.
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Great Barrier Reef

The great barrier reef is the worlds largest coral reef system in the world. The reef structure is composed of and built by billions of tiny organisms known as coal polyps. The reef contains a wide variety of aquatic animals and plants. Humans cause a huge threat to this system by fishing and pollution. Because of those factors many animals and plants are being harmed. One way we are trying to solve this is by banning fishing in the reef.
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Wikipedia. Wikimedia Foundation, n.d. Web. 18 Feb. 2016.