A penguin has won the hearts of social media users after they saw a clip of how polite it was when it came across two people.

They have a horseshoe-shaped black stripe on their chest, and older penguins will have a white stripe around their cheek and throat ... African penguins are a critically endangered penguin species.

The gigantic wall of ice is moving slowly from Antarctica on a potential collision course with South Georgia, a crucial wildlife breeding ground in the South Atlantic.