The Yellowstone grizzly bear population has recovered enough to be delisted from the endangered species list, the US Fish and Wildlife Service said Thursday.
원문출처 : http://www.cnn.com/2017/06/22/us/yellowstone-grizzly-bear-trnd/index.html
원문출처 : http://www.cnn.com/2017/06/22/us/yellowstone-grizzly-bear-trnd/index.html