Los Angeles Zoo Welcomes Baby Hippo Born to Mom on Birth ControlThe birth of a baby hippo, the first to be born at the zoo in 26 years, came as a surprise because the mother, Mara, was on birth control.Get more newsLiveonPrintNov. 5, 2014, 1:40 AM UTC / Updated Nov. 5, 2014, 1:40 AM UTC