Tahlequah, the Southern Resident orca who carried her dead calf for 17 days in 2018, is mourning the loss of another newborn, raising concerns about her health.

Mr. Hanson said on Thursday that he did not know why the female calf, who lived for a few days during the last weeks of December, had died. The mother, one of only a few dozen of its type of orca, was seen carrying the dead female calf on Wednesday, though might have been doing so for longer.

In 2018, an orca mother refused to abandon her dead calf. Instead, she pushed its body for 17 days. Now she is doing it again with another dead calf.

Tahlequah previously carried another dead newborn for 17 days in 2018. Here's what she's taught us about how orcas deal with death.

The calf was born Dec. 24. Observing researchers noted unusual unspecified behaviors by mother and calf that led them to worry for the young whale's health.

An endangered orca who carried her dead calf for over two weeks in 2018 is doing so once again following the death of her new calf.

Tahlequah, an orca whale who carried her dead calf for 17 days in 2018, is grieving another loss. On Jan. 3, researchers confirmed that Tahlequah lost another calf and is once again carrying her baby's body through the ocean,

In 2018, scientists documented the same orca mother carrying her dead calf for 17 days across more than 1,000 miles of water.

An endangered orca mother has been carrying her dead newborn calf on her snout for nearly a week around Washington’s Puget Sound.

Tahlequah first garnered worldwide recognition in 2018 when the killer whale carried her dead calf on the back for 17 days.