有些行踪更隐秘的生物在消失了80年后被官方宣告已在野外绝种，而在宣告后不到四年，它们又再次现身。
Some of the more reclusive creatures managed to hide from sight for 80 years only to reappear within four years of being officially named extinct in the wild.
他们实际上在上世纪末在野外就几近绝种了，是科学家定制了一个饲养计划，带着少数捕来的红狼并把它们重新引进到北卡莱罗纳州。
These animals actually became extinct in the wild in 1980. Scientists established a breeding program with a small number of captive red wolves and have reintroduced the animal to North Carolina.
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