The pristine reserve, a World Heritage Site since 1982, comprises an area of 55,000 sq. km, covering about six per cent of Tanzania's land surface. Larger than Switzerland, it is the world's largest game reserve and second only to the Serengeti in its concentration of wildlife. It is also the sanctuary of the biggest elephant herd in the world, about 32,000 elephants live in the reserve - 70 per cent of those in Tanzania. The reserve is difficult to describe without the use of superlatives.
Named after British hunter and writer Frederick Courteney Selous who was killed during the First World War in the Beho Beho region (of the reserve), the reserve is part of the 75,000 square kilometre Selous ecosystem, which includes Mikumi National Park, the Kilombero Game Controlled Areas . Nature experiences include a boat safari on the mighty Rufiji, walk on the wild side and ornithology (over 350 species
Wildlife in the park include: elephant, hippopotamus, rhino, buffalo, nyasaland gnu, brindled gnu, hartebeest, greater kudu, sable antelope, eland, reedbuck, bushbuck, waterbuck, warthog, zebras, giraffe, wildebeest, lion, leopard, spotted hyeana, hunting dog, cheetah, crocodile, snakes and lizards.