Penguins are very fast in the water.

The decreasing sea ice means less penguins breeding 

Going through the water like a cheetah.

Penguins are slipping and sliding Into the water.

Penguins have a very oily coat.

Penguins jumping in and out of the water makes a huge splashing sound.

Penguins diving up and down for krill.

Aptenodytes patagonica feeding the just-born.