The quokka, a small marsupial native to Australia, is one such example of a species vulnerable to extinction in the country's harsh surroundings. Known as the “happiest animal in the world” due to its cute and friendly appearance, these creatures are now only found in a few isolated forests and small islands.

The "friendly island creature" almost universally refers to the Quokka, a small macropod about the size of a domestic cat, native to Rottnest Island in Western Australia. Known as the "world's happiest animal," quokkas have gained global fame for their distinctive facial structure that looks like a permanent smile. They are exceptionally curious and have very little fear of humans, often hopping right up to visitors. However, in 2026, strict conservation laws remain in place: while you can take a "quokka selfie" if the animal approaches you, it is strictly illegal to touch or feed them, with heavy fines reaching up to $300 AUD. This "friendliness" is an evolutionary trait developed because the island has no natural predators, allowing the quokkas to remain inquisitive and docile. For travelers, seeing these iconic marsupials in their natural habitat is the highlight of any trip to Rottnest, but it is a "pro" tip to remember they are still wild animals and should be treated with respect to ensure their continued survival.