Animals. 1  Opossum, or possum, an order (Didelphimorphia) of marsupials native to the Americas Common opossum, native to Central and South America. Virginia opossum, native to North America.
Six out of the top 10 most peaceful countries were European, with Denmark and Austria holding the second and third spots. Europe maintained its position as the most peaceful region in the world, supported by a lack of domestic and external conflicts, the report said.
Nevertheless, in 2010 the UNDP ranked Oman as the most improved nation in the world in terms of development during the preceding 40 years. Oman is categorized as a high-income economy and ranks as the 59th most peaceful country in the world according to the Global Peace Index.evertheless, in 2010 the UNDP ranked Oman as the most improved nation in the world in terms of development during the preceding 40 years. Oman is categorized as a high-income economy and ranks as the 59th most peaceful country in the world according to the Global Peace Index.