Happy World Penguin Day! When did it start and how can you get involved? As the lovable two-footed birds are celebrated today, here is how you can take part in the fun ...

Now that Happy Feet has been nursed back to health, Argilla said his chances are as good as they are for any other penguin in the wild. "He swam away, not caring about us anymore," Argilla said.

Now that Happy Feet has been nursed back to health, Argilla said his chances are as good as they are for any other penguin in the wild. “He swam away, not caring about us anymore,” Argilla said.