Patent ID: 7451723

Claim:
A cage assembly for housing a plurality of types of animals, the cage assembly comprising: a cage bottom having a floor and a plurality of integral side walls extending up from the floor to side wall top edges, the side walls defining an open top end, said floor having a length l and a width w wherein 80 square inches≦l×w≦110 square inches; and a feeder assembly having a flange, a frame, and at least one support descending from said frame; a pair of flanges extending from said frame to contact the side wall top edges to support said frame within said cage, said at least one support having an open lower end and further comprising a snap on bottom, said snap on bottom being selectively connected to said lower end of said at least one support; a cage bottom for housing an animal, the cage bottom being constructed and arranged to receive the flange of the feeder assembly to support the feeder assembly with respect to the cage bottom, the cage bottom and feeder assembly working together to provide food and water to animals of different sizes.