evidence: See Box and Tables 2 and 3 for key species. Semliki Forest represents the only significant example of Congo-Basin vegetation in Uganda. A large number of species of the Guinea–Congo Forests biome reach their eastern limits here, in one of the richest localities for forest birds in Africa. The site contains half as many species of bird as the entire Congo and nearly two-thirds as many as in the 181,000 km² of the whole Upper Guinea Forests.No less than 70 species are only known within Uganda from Semliki Forest, including 31 of the Guinea–Congo Forests biome. Other species with very limited national ranges occur, such as Bycanistes fistulator (also recorded in Budongo Forest Reserve), Phyllanthus atripennis and Trochocercus nitens (also known from Mabira Forest Reserve), Ploceus aurantius (also common along the northern shores of Lake Victoria) and Malimbus erythrogaster (also recorded from Kibale National Park).Semliki forest is close to the Mount Rwenzori ranges, and the River Semliki meanders (forming oxbow lakes in some places) along the western border down to Lake Albert and is surrounded by swamp, where four species of the Lake Victoria Basin biome, including Laniarius mufumbiri and Cisticola carruthersi, occur. [...] BirdLife International (2024) Important Bird Area factsheet: Semliki National Park (Uganda). Downloaded from https://datazone.birdlife.org/site/factsheet/semliki-national-park-iba-uganda on 09/10/2024.