It's a quokka, native to Australia, and considered the happiest animal in the world. In fact, if you google happiest animal in the world, this is what comes up.
Orca (The other water mammal that has sex for pleasure, and no known predators.) They look so beautiful too. Ls x
A snail. Those lazy fuckers look so happy and at peace for being lazy. And no one ever tells them to hurry.