An animal habitat is disclosed for confining an animal in a livable area that may adapted to have distinct areas. The habitat may be formed of sections are used to form modules. The modules may be joined by attaching two or more modules laterally, or the modules may be joined by vertical stacking. Grates are placed in openings within outer walls of the modules. One type of grate allows attachment of monitoring and feeding equipment, while others are utilized as doors. Animals contained in a module can pass into laterally attached modules. A staircase and an opening in an upper section of a module allows animals to travel between a lower module to an upper module. Other accessories such as a tray and monitoring devices may be included as desired in one or more module.