Postage stamps and postal history of Zanzibar Postage stamps and postal history of Zanzibar This is a survey of the postage stamps and postal history of Zanzibar. Zanzibar is a semi-autonomous part of the United Republic of Tanzania, in East Africa. It comprises most of the Zanzibar Archipelago in the Indian Ocean. The islands were once governed by the Zanzibar Sultanate, a sovereign state with a long trading history within the Arab world. In 1964 it united with Tanganyika to form Tanzania. Any Indian stamps or covers used in Zanzibar between 1854 and 1876 are rare. A post office under Indian administration provided postal services from late
Zanzibar in July. The main island of Zanzibar, Unguja, has a fauna reflecting its connection to the African mainland during the last Ice Age. Endemic mammals with continental relatives include the Zanzibar red colobus ("Procolobus kirkii"), one of Africa's rarest primates, with perhaps only 1,500 existing. Isolated on this island for at least 1,000 years, this colobus is recognized as a distinct species, with different coat patterns, calls, and food habits from related colobus species on the mainland. The Zanzibar red colobus lives in a wide variety of drier areas of coastal thickets and coral rag scrub, as well as mangrove