A&E's 8003223 Black Dome Top Cage is suitable for your medium sized birds. This cage is constructed with 3.5mm wire and has spacing that measure 5/8" between each wire. The wires on the front and back run vertical while the sides run horizontal. Along with the durable construction this 8003223 Dome Top cage features A&E's own bird-proof locks on the oversized front door and on the 3 swing out feeder doors that come with stainless steel coop-Cups. This cage comes standard with a removable seed catcher, 1 slide out trays under the main cage for easy clean-up and a breeder door on the right side. The 4 easy rolling casters make it easy to move around this 24"x 22"x 62" cage and stand.