Clumsy on land, elegant under water.
They are birds, but they cannot fly. They dive, but they are not fish. Penguins have adapted perfectly to their habitat. But climate change is affecting their kingdom at the end of the world. Rising temperatures and higher precipitation are causing penguin species to retreat southward while other species from warmer regions are taking their place.
On the Antarctic Peninsula, the ecosystem is changing rapidly. The western side has warmed by five degrees in the last fifty years. Instead of snow, rain keeps falling. The moisture damages the eggs and soaks the chicks. In the worst case, the little ones freeze to death.