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.

West Coast killer whales were last spotted sporting expired salmon in the 1980s, according to Live Science. After a nearly 40-year hiatus, whale watchers and scientists witnessed the resurrected fad last month off Point No Point in Kitsap County and in South Puget Sound.

In the cold waters of Puget Sound, Washington, a peculiar fashion statement has resurfaced after nearly four decades. Orcas, the ocean’s charismatic black-and-white predators, are donning “salmon hats” again—balancing dead fish on their heads as they swim.

Hatful of Sorrow You've probably heard all about orcas' daring feats, like sinking yachts. But are you aware that they can be quite dashing, too? Yep. It appears that these snazzy cetaceans are fond of wearing "hats" in the form of dead salmon on their snouts,

In the waters of the northwestern Pacific, alarming behavior of orcas has been observed. These mammals have started wearing dead salmon on their heads again, a trend that first appeared in the 1980s.

In the waters of the northwestern Pacific, worrying behaviour among orcas has been observed. These mammals have started wearing dead salmon on their heads again. This trend first appeared in the 1980s.

In 1987, a female orca near Puget Sound began wearing a dead salmon on her head. Other whales in her pod, along with two other pods, joined in on the fashion trend and also started wearing salmon hats.