sentences:  As of 2002, there were at least 134 species of mammals, 532 species of birds (354 species of residents and 155 migrants), and over 1,600 species of plants throughout the country.Bush elephants, West African lions, buffalo, hippopotamuses, Kordofan giraffes, antelopes, African leopards, cheetahs, hyenas, and many species of snakes are found here, although most large carnivore populations have been drastically reduced since the early 20th century.Elephant poaching, particularly in the south of the country in areas such as Zakouma National Park, is a severe problem.