Patent ID: 7578263

Claim:
An article for enriching the environment of a confined animal housed in a standard container having a floor and a base portion, wherein said container has a removable lid, the article comprising: (a) a platform positioned under the lid when the lid is in place, the platform providing a stable place on which said confined animal may perch and wherein said confined animal can selectively move itself between said floor and said platform while confined within the container and lid, and wherein the dimensions of the container, floor and platform relative to the size of the animal for which the article is intended allow the confined animal to move freely on the floor and the platform; (b) at least one wall having a first edge connected to said platform, said wall extending from said platform; and (c) a flange connected to said wall at a second edge of said wall opposite the platform, wherein the flange engages the container's base maintaining the article above the floor of the container.