'Catastrophic loss': Huge colonies of emperor penguins saw no chicks survive last year as sea ice disappears
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As rapidly warming global temperatures help push Antarctica's sea ice to unprecedented lows, it's threatening the very existence of one of the continent's most iconic species: emperor penguins.

Four out of five emperor penguin colonies analyzed in the Bellingshausen Sea, west of the Antarctic Peninsula, saw no chicks survive last year as the area experienced an enormous loss of sea ice, according to a new study published Thursday in the journal Nature Communications Earth & Environment.