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 Anoaʻi regained the championship on the September 9, 1980, episode of "WWF Championship Wrestling", defeating Tony Garea and Rene Goulet in the finals of a tournament. Their second reign lasted until November 8, 1980, when they lost to Garea and Rick Martel. The Wild Samoans left the WWF in December 1980. In January to February 1981, The Wild Samoans toured Japan with New Japan Pro-Wrestling, performing as "The Samoan #1" (Afa) and "The Samoan #2" (Sika) respectively. They competed in the New Year Golden Series, repeatedly facing Antonio Inoki and Seiji Sakaguchi. The Wild Samoans made a second tour of Japan