Wildlife of Zanzibar evolved after the island became separated from the mainland at Tanzania consequent to a rise of the sea level at the end of the ice age. The laws applicable to the wildlife of Tanzania under the Tanzanian Wildlife Act also govern the flora and fauna of Zanzibar. Wild areas are protected in many reserves and Jozani Chwaka Bay National Park. The Zanzibar Forestry Development Project and Zanzibar Integrated Land Development Project are two important projects which address wildlife surveys and monitoring. The World Wildlife Fund (WWF) and IUCN are involved in many wildlife project related activities on the islands. The
Wildlife of Zanzibar mango. Along with small animals, Zanzibar is known for several oversized species, such as the giant rat ("Cricetomys gambianus cosensi") which can be up to a metre (3 ft) long with the tail. Dugong, internationally endangered species still occur in the region. Birds found in Zanzibar including Pemba Island and Mafia Island (not governed by the semi-autonomous region of Zanzibar), are about 240 species of which: globally threatened species are four, introduced species is one and Endemics are species are eight. The genera of the birds and some of the details of extirpated, introduced, vulnerable and threatened spices are given