A pod of 157 large dolphins from a species known as false killer whales was found stranded Tuesday evening, February 18, on an isolated beach in Australia's southern island of Tasmania. Tasmania's environment department said only 90 survived by Wednesday afternoon, growing increasingly "stressed" the longer they were exposed to beaming sun and lashing winds. Wildlife rangers will on Wednesday begin euthanizing the stranded aquatic mammals, after attempts to refloat them failed.