there are some animals that have a naturally happy personality or even a happy appearance. Here are 10 of the happiest animals on Earth and where you can find them. The animals on this list were ...

They are each around 40 to 50 centimeters tall. Quokkas are often called “the happiest animal in the world” for their smiling appearance. But they are designated as endangered species.

Quokkas have been dubbed 'the world's happiest animals' An Australian zoo is investigating the sudden deaths of seven female quokkas and two yellow-footed rock-wallabies. Why the marsupials died ...

We science nerds picked out 10 of the happiest animal facts from the thread to brighten your day. We've even found the science to support them.

Dubbed the “world’s happiest animal”, they were discovered by local charity Bibbul Ngarma Aboriginal Association through its BoorYul-Bah-Bilya program. “This is the first time that quokkas ...