The mother orca, known as Tahlequah or J35, has been seen carrying the body of the deceased female calf since Wednesday, the Washington state-based Center for Whale Research said in a Facebook

Tahlequah, an orca that carried her dead calf for 17 days and more than 1,000 miles in 2018, lost another calf recently and is grieving the death in a similar way.

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