Rare whale found on Australian beach believed to be evolutionary throwback

South Australian Museum researchers confounded by mysterious teeth previously unseen in beaked whales Scientists believe they have an uncovered an evolutionary throwback in a rare deep ocean whale that washed ashore on a South Australian beach. The beaked whale, found dead on Waitpinga beach in February, confounded examiners from the South Australian Museum who discovered two mysterious teeth previously unseen in that family of deep diving mammals.