For the first time, scientists have recorded a humpback whale mother refusing to let go of her dead newborn — pushing the stillborn calf toward the surface and staying with the body, behavior researchers describe as "grief-like."
The footage, captured off Hawaii, marks what scientists are calling the first documented case of its kind. Humpback whales have long been observed showing what looks like mourning, but capturing it on camera in this detail is extraordinarily rare.
According to researchers, the mother was seen repeatedly nudging and lifting the calf, keeping it close even after it had died. The behavior continued for an extended period, and the team says the whale showed signs consistent with distress rather than simply failing to recognize the calf was dead.
Scientists studying the video say they were struck by how deliberate the movements appeared — not random, but sustained and focused on the body. Similar behavior has been reported in other whale species, including orcas and dolphins, but documentation in humpbacks has been almost nonexistent.
"It is extremely rare to witness," one researcher involved in the observation said, describing the encounter as unlike anything in the existing record for this species.
The footage is now part of a growing body of research into whether marine mammals experience something comparable to grief — a question that remains unresolved and debated among scientists.
What researchers plan to do with the video, and what they say it could mean for how we understand whale intelligence and emotion, is still being worked out. The full findings have not yet been published.