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The wildlife of Sri Lanka includes its flora and fauna and their natural habitats. Sri Lanka has one of the highest rates of biological endemism (16% of the fauna and 23% of flowering plants are endemic [ 1 ] ).
The animal life in freshwater comprises a great diversity. The organisms ranging from tiny protozoa to large mammals in size. Sri Lanka is a hydraulic civilization. First civilizations in Sri Lanka were originated closer to main rivers in Sri Lanka such as Mahaweli, Kelani, Malwathu and Gin Ganga.
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.
Sri Lankan junglefowl are unique amongst the junglefowl in the brevity of their incubation, which may be as short as 20 days as contrasted with the 21–26 days of the green junglefowl. The chicks require a constant diet of live food, usually insects and isopods such as sowbugs and pillbugs .
In January 2019, the new species, P. conniffae was discovered in southern Sri Lanka. [10] Sri Lanka has the highest percentage of extinct and threatened amphibian species in Asia. [2] In the 20th century the country has lost 20% of its amphibians and more than half of the remaining species are on the verge of extinction.
This is a list of reptiles of Sri Lanka. The reptilian diversity in Sri Lanka is higher than the diversity of other vertebrates such as mammals and fish with 181 reptile species. All extant reptiles are well documented through research by many local and foreign scientists and naturalists.
"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
The Loris, found only in Sri Lanka and South India, is related to the Lemurs of Madagascar. The connection to India led to a commonality of species, e.g. freshwater fish, the now extinct Sri Lankan Gaur (Bibos sinhaleyus) and the Sri Lankan Lion (Panthera leo sinhaleyus). [5] The island was connected, off and on at least 17 times in the past ...