These are not just rabbits, but happy. These wallpapers can certainly give you pleasant feelings.
Rabbits are small mammals in the family Leporidae of the order Lagomorpha, found in several parts of the world. There are seven different genera in the family classified as rabbits, including the European rabbit, Cottontail rabbit, and the Amami rabbit. There are many other species of rabbit, and these, along with pikas and hares, make up the order Lagomorpha.