A rabbit ate a big meatball in the afternoon. What is hard work?

That's the rabbit's tail, with a layer of meat wrapped in a ball of bones.

Rabbits are the general name of all genera of the family Rabbinidae of the order Rabbiniformes. Commonly known as rabbits. Biological classification: Chordata, Vertebrates, Mammalian Rabbits, Animal Kingdom. Rabbits have long tubular ears (ears are several times wider than ears), short tufted tails, and strong hind legs are much longer than forelimbs. ***9 genera and 43 species. East Asia, South Asia, Africa and North America have the most species, and a few species are distributed in Europe and South America, some of which are widely distributed or introduced into many regions, while many species are very limited. Terrestrial, more common in deserts, desertification grasslands, tropical forests, dry grasslands and forests or Woods.