The orca who swam with her dead calf for 17 days in an apparent act of grieving recently gave birth to a new baby, according to Michael Weiss, research director of the Center for Whale Research.

The mother orca is known as Tahlequah, or J35, and has been seen carrying the ... He said she was draping the dead calf across her snout or on top of her head, and that she appeared to dive ...