p.p1 is mainly caused by illegal hunting and

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The population of rhinoceros across the world has decreased a lot. There are a total of five species of rhinos: black rhino, white rhino, greater one-horned rhino, sumatran rhino and javan rhino. At the end of 2015, conservationists’ best estimated were that around 30,000 rhinos of all 5 species survive in the wild. 

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    On the top of the most endangered species list, it is The Vaquita. It is the world’s smallest and rarest marine mammal. Today, there are only around 30 of them remain and their population is still decreasing. The Amur Leopard is the second most endangered animals. The last remaining population found in a small area in the Russian Province of Primorsky Krai, between Vladivostok and the Chinese border is estimated at 57 individuals. Thirdly comes the Javan Rhinoceros. Fourth is the Northern Sportive Lemur. It is the scarcest of Madagascar’s fast-dwindling lemur species. The population of them is predicted to be between 10,000 to 100,000, with 564 individuals per square kilometre in some ares. For the fifth, it is Western Lowland Gorilla. The decreasing in the population of this species is mainly caused by illegal hunting and diseases. The total population is estimated to be up to 100,000 individuals in total.

    A huge number of wild animals are illegally sold or trafficked to the circus because of the lenient regulations. Most of the animals are badly abused and trained to be a performer to entertain people. 

    Nowadays, tourist often visit other countries and they buy souvenirs that are made from animals skin or horns. The profit of sellers selling souvenirs are big and this encourage hunters to hunt illegally for a bigger profit.