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
Semisi Sika Semisi Sika Semisi Kioa Lafu Sika is a Tongan politician and Member of the Tongan Parliament. He is a member of the Democratic Party of the Friendly Islands. Sika is a businessman who runs a takeaway shop and catering firm. He is a lonstanding supporter of the democratic movement in Tonga. In 2007 he was one of three people, including Human Rights and Democracy Movement leader Samuela 'Akilisi Pohiva, prosecuted over his leadership of a protest march in June 2006. Sika was elected to Parliament in the seat of Tongatapu 2 in the 2010 elections. He was re-elected in 2014