A Baikal seal named Billy looks as if he's enjoying a Japanese-style hot spring with a towel on his head and a sake bottle in front of him during a show at the Hakone-en Aquarium in Tokyo, Japan on December 9, 2010. International Day of Happiness is celebrated worldwide each year on March 20. It was founded to inspire, mobilize, and advance the global happiness movement. [Photo: IC]"

A newborn lion cub is given a big lick on the face by her mother at Monarto Zoo in Australia on June 7, 2011. International Day of Happiness is celebrated worldwide each year on March 20. It was founded to inspire, mobilize, and advance the global happiness movement. [Photo: IC]"

A wild burro smiles at the camera in the Red Rock Conservation Area in Nevada. International Day of Happiness is celebrated worldwide each year on March 20. It was founded to inspire, mobilize, and advance the global happiness movement. [Photo: IC]"

Two happy bottlenose dolphins. International Day of Happiness is celebrated worldwide each year on March 20. It was founded to inspire, mobilize, and advance the global happiness movement. [Photo: IC]"

This baby giraffe in South Africa enjoys snuggling with its mother in November 2018. International Day of Happiness is celebrated worldwide each year on March 20. It was founded to inspire, mobilize, and advance the global happiness movement. [Photo: IC]"