List of birds Congo Brazzaville

The capital, Brazzaville, is located on the Congo River, in the south of the country, immediately across from Kinshasa, the capital of the Democratic Republic of the Congo.

The southwest of the country is a coastal plain for which the primary drainage is the Kouilou-Niari River; the interior of the country consists of a central plateau between two basins to the south and north. Forests are under increasing exploitation pressure.

Since the country is located on the Equator, the climate is consistent year-round, with the average day temperature a humid 24 °C (75 °F) and nights generally between 16 °C (61 °F) and 21 °C (70 °F). The average yearly rainfall ranges from 1,100 millimeters (43 in) in the Niari Valley in the south to over 2,000 millimeters (79 in) in central parts of the country. The dry season is from June to August, while in the majority of the country the wet season has two rainfall maxima: one in March-May and another in September-November.

In 2006-2007, researchers from the Wildlife Conservation Society studied gorillas in heavily forested regions centered on the Ouesso district of the Sangha Region. They suggest a population on the order of 125,000 Western Lowland Gorillas, whose isolation from humans has been largely preserved by inhospitable swamps.