To learn more about what makes the quokka the happiest animal in the world, we spoke to Sally Hollis, CEO of Rottnest Foundation, who works closely with these joyful creatures.

The "happiest animal in the world" may be happiest on the golf course. The quokka, a teddy bear-sized marsupial found only in southwestern Australia, is struggling on the mainland, ...

The quokka, often called the "world’s happiest animal," is known for its cute, cheerful smile. With its bright, happy face and friendly nature, this small marsupial has won hearts everywhere.