Two orcas from the Pacific Northwest were spotted with dead salmon on their heads, an act first documented in the 1980s. Scientists aren’t sure what it means.

Orcas off the coast of Washington State are balancing dead fish on their heads like it’s the 1980s, but researchers still aren’t sure why they do it

Portland’s Arctic fox stricken with salmon poisoning; zoo asks for donations “This particular group of orcas was observed to engage in a short-lived trend of ‘wearing’ dea

Orcas Wear Dead Fish as Hats After 40 Years, Scientists Unclear Why They Are Sporting the Unusual Fashion Trend Again Killer whales (orcas) returned to the Northwest Pacific, wearing their popular 'salmon hats' after 40 years.

Deborah Giles told KUOW’s Kim Malcolm that while this "salmon hat" phenomenon is certainly noteworthy, it's likely not a hopeful sign of long-term recovery.