beneath their feet at a speed never seen before, colony after colony was left in tatters as chicks, too young to survive in the ice-cold waters, drowned or froze to death.
"The emperor penguins have a unique breeding cycle, and it breeds in the Antarctic winter rather than the summer," Fretwell said."It needs sea ice and it needs the sea ice to be stable between April and December, because when it lays an egg and the chick hatches, the chick needs to have a stable platform to live on."
"This year, that happened to a lot of colonies," said Frettwell."Many more this year than we've ever seen before."
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