High Quality Content by WIKIPEDIA articles! This is a list of the resident birds of Sri Lanka. Sri Lanka is a small island situated in the Indian ocean; its tropical weather and rainforest habitat means that it is one of the world`s richest and most important country in term of biodiversity. 494 species of bird have been recorded in Sri Lanka, including resident and migratory birds. 240 species are resident, of which the most important are the 33 endemic species.