Orca gives birth again after mourning, swimming with dead calf for 17 days off North America

Orca gives birth again after mourning, swimming with dead calf for 17 days off North America: The killer whale who swam with her dead calf for 17 days in an apparent act of grieving is a mother again. Tahlequah, known to researchers as J35, gave birth to a calf last week, according to a new…