Etosha covers an area of almost 23,000 square kilometres and was declared a game reserve by the German South West African administration as early as 1907.
Kruger is home to an enormous variety of species: 336 tree species, 49 fish species, 34 amphibians, 114 reptile species, 507 bird species and 147 mammal species.
The area of the Serengeti National Park is 14,763 km2. It is also one of the oldest and most complex ecosystems in the world.
The 430 square kilometers large protected area is famous for these unique animals and is therefore UNESCO World Natural Heritage since 1985.