Sika deer are contiguous with populations of the native red deer. Since the two species sometimes hybridize, a serious conservation concern exists. In research which rated the negative impact of introduced mammals in Europe, the sika deer was found to be among the most damaging to the environment and economy, along with the brown rat and muskrat. In the 1900s, King Edward VII presented a pair of sika deer to John, the second Baron Montagu of Beaulieu. This pair escaped into Sowley Wood and were the basis of the sika to be found in the New Forest today. They were so prolific,
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