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Back from the brink of extinction, blue whales return to South Georgia

After being nearly completely wiped out by whalers, new research suggests Antarctic blue whales have returned to the sub-Antarctic island of South Georgia. Researchers were able to confirm the dramatic comeback with the help of documented sightings, photographs and underwater sound recordings collected over the last three decades. Blue whales were abundant off the coast of South Georgia, but between 1904 and 1971, the industrial whaling industry killed 42,698 whales. But over the past few years researchers have been working at South Georgia, and have become quite optimistic about the numbers of blue whales seen and heard around the island, which hadn't been happening until very recently. https://www.upi.com/Science_News/2020/11/19/Back-from-the-brink-of-extinction-blue-whales-return-to-South-Georgia/5301605794235/ .............................................................................. #earth #science #animals #nature #education

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