Iceland is home to 23 species of Atlantic seabirds, including Atlantic puffins (pictured), black murres, kittiwakes, and great skua—but those populations, like those across the North Atlantic, are in serious trouble. Scientists conducting fieldwork in the region are reporting massive chick die-offs and nests with abandoned eggs, reports National Geographic’s Winged Warnings series, which lays out the many threats facing the island’s seabirds: warming oceans, earlier thaws, changing ocean chemistry and food webs, and increasing levels of ocean pollutants from PCBs to mercury.
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