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Capybara, a large rodent native to South America, but has been introduced to the island in case if the mainland ones become extinct.
Sumatran serow, a species of goat-antelope native to the Thai-Malay Peninsula and the Indonesian island of Sumatra, but has been introduced to the island for conservation for this species.
Japanese wild boar, a subspecies of wild boar native to Japan, but has been introduced to Mystic Island as part of conservation.
Malayan tapir, a species of tapir native to Asia, but has been introduced to the island in 1950 for conservation.
Spectacled bear, a species of bear native to South America, but has since been introduced to Mystic Island as part of conservation.
Chital deer, species of deer native to the Indian subcontinent, but has been introduced to Luger Island in case if the mainland ones become extinct.
Thorold's deer, a species of deer native to eastern Tibetan Plateau, but has been introduced to the island as part of conservation.
Florida panther, a subspecies of cougar native to South Florida, but has been introduced to Mystic Island for conservation.
Arabian leopard, a subspecies of leopard native to the Arabian Peninsula, but has been introduced to the island as part of conservation.
South China tiger, a critically endangered subspecies of tiger native to southern China, but has been introduced in 1939 as part of conservation.
Sumatran dhole, a subspecies of dhole native to the Indonesian islands of Sumatra, but has been introduced to the island to preserve this island.
Arabian wolf, a subspecies of gray wolf native to the Arabian Peninsula, but has been introduced to the island for conservation.
African wild dog, a species of canid native to Africa, but has been introduced to Mystic Island for conservation for this species.
Spix's macaw, a species of macaw native to Brazil, but has been introduced to the island in 1920s to preserve this species.