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The wetlands surrounding Teshekpuk Lake provide a food-rich haven for Arctic-breeding geese during the late weeks of summer when they cannot fly. The birds are molting, replacing their worn-out flight feathers. To survive this dangerous time, they must find a place rich in food and safe from predators. It’s the most important place for molting geese in Arctic Alaska. The 60,000 Black Brant – like this one – represent about 20% of the world’s population.