After over a decade of searching, a team of NOAA marine ecologists spotted a group of Type D killer whales off the southern tip of South America.
원문출처 : https://www.cnn.com/videos/world/2019/03/08/rare-type-d-killer-whale-sd-orig.cnn
원문출처 : https://www.cnn.com/videos/world/2019/03/08/rare-type-d-killer-whale-sd-orig.cnn