Formosan sika deer period with a switch to Japan as the major export market. The intensive hunting of sika during the Dutch era must have severely decreased the population of sika. Sika populations continued to decline over the next few centuries as the human population expanded—the natural habitat of sika in the lowland plains was steadily converted to farmland, and later urbanized, as the human population increased. Hunting also continued. As a result, wild sika populations decreased steadily, and in 1969 the last known wild sika was killed. However, deer are easily kept in captivity and there were a number of captive populations
Sika people as a voluntary recruits from the UK according to Sikka Dili over in Portuguese Timor. In that year, the Portuguese government had José Joaquim Lopes de Lima to sign a treaty with the Netherlands concluded that the west of Timor, Flores island and other areas of the Lesser Sunda Islands are ceded to them. This agreement was later confirmed by the Treaty of Lisbon in 1859. The Sika people are formed in addition to the Bidau and Moradores as one of the three people groups that make up the Portuguese Armed Forces in the colony. All three ethnic groups lived