The Serengeti National Park is located in the Mara and Simiyu regions of Tanzania and contains 15,000,000 hectares (37,000,000 acres) of savanna. It is well known for the largest annual animal migration in the world of over 1.5 million blue wildebeest and 250,000 zebra and its numerous Nile crocodile and honey badger. The park includes the neighbouring  Ngorongoro Conservation Area, and Maasai Mara National Reserve  bordering Kenya.

The name “Serengeti” approximates the word siringet used by the Maasai people for the area, which means “the place where the land runs on forever”

The population density of the African leopard in Serengeti National Park is estimated at 5.41 individuals per 100 km2 (39 sq mi) in the dry season and 5.72 individuals per 100 km2 (39 sq mi) in the wet season.

The African bush elephant numbered over 5,000 individuals by 2014, the African buffalo population declined between 1976 and 1996 due to poaching, but increased to 28,524 individuals by 2008.

The black rhinoceros in Serengeti National Park was reduced to about 10 individuals in the 1980s due to poaching. 

Others include; about 3,500-spotted hyena, two species of jackal, African golden wolf,  honey badger, striped hyena,  two species of otters and the East African wild dog was reintroduced in 2012 after disappearing in 1991. 

Other mammals include aardwolf, African wildcat, African civet, African striped weasel, bat-eared fox, ground pangolin, crested porcupine, three species of hyraxes and cape hare. There is also over 500 bird species, which includes Masai ostrich,  kori bustards, guineafowls,  African collared dove, red-billed weaver, hornbill, crowned cranes, knob-billed ducks, saddle-billed storks, marabou storks, lesser flamingo, shoebills, abdim’s stork, hamerkop, African fish eagles, pink-backed pelicans, Tanzanian red-billed hornbill, martial eagles, Egyptian geese, spur-winged geese, woodpeckers, and many species of vultures.

Reptiles in the Serengeti National Park include Nile crocodile, leopard tortoise, rainbow agama, chameleon, African python, black mamba, black-necked spitting cobra, and puff adder.