Emperor penguins live in large colonies of up to 5,000 penguins at times. ... which starts the process of building a nest. After mating, the female penguin lays a single egg.

Ordinarily, emperor penguins nest on free-floating sea ice that thaws and blows away each year, not on the ice shelf, which is firmly attached to the land. But lately, some colonies have been ...

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 ...

Emperor penguins have been listed as a threatened species under the Endangered Species Act because the animals’ sea ice habitat is shrinking, federal officials announced Tuesday.

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.

Emperor penguins can dive up to 1,850 feet ... She's hungry, but she must wait for her mate to return or risk losing the nest to another penguin. And he's just started his journey home.

Of 62 known penguin colonies, around 30% were harmed by low sea-ice levels last year — and 13 likely failed entirely, Fretwell said. “That this could happen doesn’t shock me, but I’m ...

Some emperor penguin sites experienced ‘total breeding failure' because of sea ice loss Researchers said it is likely that no chicks survived in four of the five breeding colonies they examined ...

The emperor penguin is the heaviest and largest of the penguin species and is listed on the International Union for Conservation of Nature and Natural Resources’s Red List as near threatened.