Modular bird perch and bird cage

A bird perch apparatus, comprising:

• a floor base assembly,
• a pole assembly connected to said floor base assembly, wherein said pole assembly includes a first adjustable portion and a second adjustable portion which are adjustable longitudinally with respect to each other, wherein said pole assembly includes a plurality of modules having a head end and a tail end and arranged in head-to-tail fashion,
• a ceiling-contacting assembly connected to said pole assembly,
• a lower pan assembly supported by said pole assembly,
• an upper pan assembly supported by said pole assembly a predetermined distance above said lower pan assembly,
• a perch assembly connected to said pole assembly at a position along said pole assembly between said lower pan assembly and said upper pan assembly, and
• a cage assembly supported by said lower pan assembly and capped by said upper pan assembly, wherein said cage assembly includes a plurality of cage segments placed in head-to-tail fashion with intervening combined segment connector/tray assemblies, wherein said combined segment connector/tray assemblies include removable trays, wherein said removable trays include slots which permit said removable trays to be removed from and replaced into said combined segment connector/tray assemblies in the presence of modules of said pole assembly.