But a previously unknown population of the leviathans has long been lurking in the Indian Ocean, leaving scientists none the wiser, new research suggests. It joins only a dozen or so other blue whale songs that have been documented, each the calling card of a unique population. In an undated photo from the Environment Society of Oman, a blue whale in the Indian Ocean. And side-by-side comparisons of the new blue whale tune with others showed convincingly that the northwestern Indian Ocean variety was distinct, Carbaugh-Rutland said. To conserve the world’s blue whales, she said, “there’s not one single protection measure that’s going to work.”c.2020 The New York Times Company

Source: bd News24 December 24, 2020 03:45 UTC