Device for keeping live chinchilla

A device for keeping chinchilla adapted to be used in combination with a cage having a horizontal floor containing a chinchilla or similar animal, comprising a cylindrical container closed at its two ends by two respective side walls, and rotatably mounted with its axis in a horizontal position, said axis being substantially located in the plane defined by one of the sides of the cage and said container closing said side of the cage, said container having a peripheral wall with a longitudinal opening provided therein for allowing the animal to enter the container, and a longitudinal inner wall parallel to the axis of the container, said inner wall being connected by one of its longitudinal edges to one of the edges of said longitudinal opening of the container, and by at least a portion of its opposite longitudinal edge to the inner wall of said container, so as to define within the container one longitudinal small compartment and one longitudinal large compartment communicating with said longitudinal opening, said inner wall having a longitudinal imperforate portion adjacent said inner wall edges connected to said one edge of the longitudinal opening of the container, and a perforated portion coplanar with said imperforate portion and extending between said imperforate portion and the opposite end of the inner wall, said device further comprising positioning means for bringing said container into various preselected angular positions about said axis thereof.