Although they are cute, otters can be dangerous ... on them by humans that make the domestic dog one of the world's happiest ...

The happy animals on our list seem to live blissful lives with lots of room for play. Read on to learn about nature’s most fun-loving furballs. This cute creature is native to the tropical ...

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 ...

Quokkas are often called “the happiest animal in the world” for their smiling ... zoo for years to bring the quokkas here. The cute creatures are extremely popular. The zoo started posting ...