Sika deer Park; the population now numbers 200. Reintroduction programs are also under way in Vietnam, where the Vietnamese sika deer ("C. n. pseudaxis") is extinct or nearly so. Russia has a relatively large and stable population of 9,000 individuals of the Manchurian subspecies, but this is limited to a small area in Primorsky Krai. Small populations might exist in North Korea, but the political situation makes investigation impossible. The species is extinct in South Korea, with no plans for reintroduction. Sika deer have been introduced into a number of other countries, including Estonia, Latvia, Lithuania, Austria, Belgium, Denmark, France, Germany, Ireland,
Formosan sika deer the 17th century immigration from the Chinese mainland increased dramatically in response to political instability in China and economic opportunities on Taiwan, which from 1624 until 1662 was controlled by the Dutch East India Company (VOC). The VOC, operating from the port of Taoyuan (modern-day Anping, Tainan) in southwestern Taiwan, established a trading post whose main business was the export of sika skins to Europe. During the six decades of Dutch activity two to four million sika skins were exported to Europe. Exporting was reduced when the Dutch were forced out of Taiwan in 1662, but continued throughout the Qing