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The history of Sri Lanka is unique because its relevance and richness extend beyond the areas of South Asia, Southeast Asia and the Indian Ocean. The early human remains which were found on the island of Sri Lanka date back to about 38,000 years ago ( Balangoda Man ).
Sri Lanka is known to be home to 794 species of Hemipterans. Detailed work of Sri Lankan hemipterans are recorded in the book Catalogue of Hemiptera of Sri Lanka. Sri Lanka comprises 74 species in 46 genera and 6 families of aphids within the order Hemiptera. 2 endemic aphid species are found on Sri Lanka
The most recent site, the Central Highlands of Sri Lanka, was listed in 2010. The Central Highlands and the Sinharaja Forest Reserve are natural sites, the other six are cultural. In addition, Sri Lanka has four sites on its tentative list. The country served as a member of the World Heritage Committee in the years 1983–1989. [3]
"The IUCN Red List of Threatened Species: Mammals of Sri Lanka". IUCN. 2001 dead link ] "Mammal Species of the World". Smithsonian National Museum of Natural History. 2005. Archived from the original on 27 April 2007 "Animal Diversity Web". University of Michigan Museum of Zoology. 1995–2006
Sri Lankan junglefowl and red junglefowl diverged about 2.8 million years ago, whereas time of divergence between the Sri Lankan junglefowl and grey junglefowl was 1.8 million years ago. [2] Evidence of introgressive hybridization from Sri Lanka junglefowl has also been established in domestic chicken. [2]
Every year the zoo exchanges some of its animals with other zoos around the world to enlarge the diversity of its animals and introduce new species of animals as well. Dehiwala Zoo always trying to expand its animal collection by introducing new species. In 2008, a three-month-old seal was brought to Sri Lanka from the Krefeld Zoo in Germany. [8]
Being an island Sri Lanka lacks land area to supports large animals. [3] However fossil evidence of large archaic species of rhinoceroses, hippopotamuses, and lions have been discovered. The flora and fauna of Sri Lanka is mostly understudied. [4] Therefore, the number of endemics could be underestimated.
A recent publication on these coins attempts to identify symbols peculiar to Sri Lanka. Some of the more popular symbols are Sun, Moon, elephant, bull, nandipada, fish and peacock. The diversity of symbols suggests that these coins have been issued by regional rulers or traders and not by a central monarchy.