Almost four decades after completely disappearing from the wild, a bird that had survived only in captivity now roams freely on two tropical islands.
원문출처 : https://www.cnn.com/2019/12/19/world/guam-rail-brought-back-from-extinction-in-wild-scn-c2e-intl-hnk/index.html
원문출처 : https://www.cnn.com/2019/12/19/world/guam-rail-brought-back-from-extinction-in-wild-scn-c2e-intl-hnk/index.html