Scientists believe Tahlequah is expressing grief by continuing to push the calf's body, a behavior that expends valuable energy. While other orcas have been observed carrying their dead ...

Southern resident orca Tahlequah is suffering the loss of yet another calf. Here's where she and her deceased calf have been ...

Tahlequah, the killer whale who carried her dead calf and swam with him for 17 days, has given birth to her second baby since 2018. The Center for Whale Research first became aware of the new calf ...