Flag of Zanzibar yellow cloves was added to the flag. On 12 January 1964, John Okello overthrew the Sultan of Zanzibar and adopted a black-yellow-blue tricolour as the flag of the People's Republic of Zanzibar and Pemba. On 29 January, the country's flag was changed to a blue-black-green tricolour with a thin white stripe at the hoist. This design, which was based on the flag of the Afro-Shirazi Party, was the longest-lived of the post-independence flags and eventually formed the basis for the current flag. On 26 April 1964, Zanzibar united with Tanganyika to form the new country of Tanzania and Zanzibar's old
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"