Related: Happy Penguins Waddling Along Antarctica's 'Penguin Highway' Is Total Cuteness Overload Keep in mind that the Calgary Zoo does not force these Penguins to walk each day. These birds get ...

That being said, there are several species of penguins, but all of them are considered to be pretty happy. This is due to their playful and social behavior. Penguins live in close-knit communities ...