One fashion trend from the '80s may be making a comeback – at least with killer whales. An orca has been spotted wearing a salmon hat for the first time since 1987.

For the first time in 37 years scientists have observed orcas wearing dead salmons as hats, but no one knows what's behind this fishy behavior.

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.

One fashion trend from the ’80s may be making a comeback – at least with killer whales. An orca has been spotted wearing a salmon hat for the first time since 1987.

One fashion trend from the ’80s may be making a comeback – at least with killer whales. An orca has been spotted wearing a salmon hat for the first time since 1987.

One fashion trend from the ’80s may be making a comeback – at least with killer whales. An orca has been spotted wearing a salmon hat for the first time since 1987.

One fashion trend from the ’80s may be making a comeback – at least with killer whales. An orca has been spotted wearing a salmon hat for the first time since 1987.