In 1987, a group of killer whales off the northwestern coast of North America briefly donned salmon “hats,” carrying dead fish on their heads for weeks. Recently, a male orca known as J27 ...

where they harvested salmon using fish traps and weirs. They dried the pink flesh, they smoked it, they fermented fish heads in barrels. "Those fermented heads had a great deal of vitamins," one ...

In recent weeks, killer whales have been observed wearing the “salmon hats” again and perching the dead fish on their heads. They may even be the same orcas that adopted the trend back in the ...

Then they head for home, tracing the smell of minerals ... including Wal-Mart—an abundance that obscures the wild salmon's plight. Salmon fishing in California and Oregon will probably have ...