“How’s that for your first swimming lesson?” Normally, colonies of emperor penguins nest on the free-floating sea ice, not on the ice shelf. But lately, some colonies have been nesting near ...

Penguins build their nests in sea ice and depend on this substrate to last beyond December for a successful breeding season. Emperor penguins are dependent on stable sea ice that is firmly ...

Penguins are great divers, Emperor Penguins can dive 530 meters deep. Not only are they great swimmers, up to about 22 mph, they're also great walkers and can walk up to 60 miles across sea ice.