While there’s no formal research on the topic, the happiest-animal-in-the-world title most often goes to the crazy-cute wallaby known as the quokka. Found exclusively in southwestern Australia ...

And despite their limited range, these herbivorous marsupials have captured the hearts of millions around the world — the viral #quokkaselfie trend on social media features thousands of selfies taken ...

It's small. It's cute. It's the happiest animal on Earth. The quokka earned the title of world's happiest animal because of its "smile." Learn more about the adorable creatures mostly found in Western ...

So what's the story behind the quokka, whose chronic grin earned it the moniker "happiest animal in the world" a couple of years back? (See pictures of quokkas submitted to National Geographic's ...

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Quokka: Known as the “world's happiest animal,” quokkas always seem to be smiling. These friendly marsupials from Australia love human interaction and are often seen in cheerful poses ...

The quokkas, known for their apparent smiles, have become a popular tourist attraction on a tiny island off of Australia's ...

Australia is rich in diverse wildlife, notably with iconic animals such as "Quokkas", the world’s happiest animal for ... have gained worldwide popularity. A quokka weighs 2.5 to 5 kg (5.5 ...