In the 1980s, an orca on the West Coast of the United States started a strange trend that was quickly adopted not just by her pod, but by individuals from other pods, too: wearing dead salmon hats. And yes,

It’s a very sophisticated thing to do something for no purpose other than that it amuses you,” on researcher said.

An especially popular killer whale put a dead fish on his head, in a throwback to a fashion last seen in the 1980s.

About 40 years ago, researchers noticed a population of orcas had begun swimming around with dead fish on their heads, and now the craze is back

A group of orcas off the west coast of North America has brought back a bizarre fashion trend not seen since the late 1980s: wearing a single dead salmon on their heads as if it were a hat.

In 1987, killer whales in Puget Sound donned salmon “hats,” carrying dead fish on their heads. Now, a photo of an orca has observers wondering if the trend has returned.

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.