Some killer whales off North America’s west coast have begun wearing dead salmon on their heads, reviving a curious trend first reported in the 1980s.
Local photographers noticed orcas that dress salmon in the last month – and researchers too. Deborah GilesThe director of science and research for the nonprofit organization Wild Orca was observing the marine mammals in South Puget Sound in southwest Washington a few weeks ago. “We saw one with a fish on its head,” he says. “So it was fun…