Zanzibar by the People's Republic of Zanzibar and Pemba, a socialist government led by the Afro-Shirazi Party (ASP). Over 20,000 people were killed and refugees, especially Arabs and Indians, escaped the island as a consequence of the revolution. In April 1964, the republic merged with mainland Tanganyika. This United Republic of Tanganyika and Zanzibar was soon renamed, blending the two names, as the United Republic of Tanzania, within which Zanzibar remains a semi-autonomous region. The 2002 census is the most recent census for which results have been reported. The total population of Zanzibar was 984,625 – with an annual growth rate
Wildlife of Zanzibar The 54 terrestrial mammals found in Zanzibar include 23 species of bats ("popo" in Swahili). Other species are: bush tailed mongoose (local name "chongwe"), which is found in the coral rag forests of the south-eastern coast of Unguja and in the deep soil region on the western part of Pemba Island; the small blue duiker; suni (mammalian) or dwarf antelope (just tall); African and small Indian civet; as well as green and hawks-billed turtles. The Zanzibar red colobus has been known to consume charcoal, possibly a learned behaviour, after eating the leaves of the Indian almond tree and "Mangifera indica"