Sika deer much like the American elk. Sika stags have stout, upright antlers with an extra buttress up from the brow tine and a very thick wall. A forward-facing intermediate tine breaks the line to the top, which is usually forked. Occasionally, sika antlers develop some palmation (flat areas). Females carry a pair of distinctive black bumps on the forehead. Antlers can range from to more than , depending on the subspecies. Stags also have distinctive manes during their mating period (rut). Sika deer can be active throughout the day, though in areas with heavy human disturbance, they tend to be nocturnal.
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