Male king eider ducks swimming in Troms og Finnmark, Norway
© Pal Hermansen/Minden Picture
Duck, duck. duck, duck, duck...
When king eider males line up in a dandy display like this, it's likely because they're courting a hen (or what birders call a 'queen eider'). These colorful drakes aren't your regular ducks. They're sea ducks, a group that includes several large duck species that feed off the coast in salt water. As you can see, male king eiders have striking multicolored plumage and yellow-knobbed beaks that resemble crowns. They, and the less-ornate brown females, make their home in the frigid waters along the Arctic coasts of northern Europe, North America, and Asia.
Most of the year, king eiders congregate in large flocks at sea, resting on ice floes, swimming, and diving as deep as 80 feet underwater to feed on crustaceans, mollusks, and other prey. But as the summer breeding season draws near, these ducks will migrate even farther north in smaller numbers to the Arctic tundra, where they'll nest. This row of earnest males was photographed along the northeast coast of Norway, close on the webbed heels of a lovely hen.
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