HQ Bird Cages' Large Parrot Aviary Cage features two aviary cups, two wood perches, a seed tray and heavy duty casters. Measuring 36x31x68 in. (LWH), the cage's iron-wrought steel bars are 1/14-in. thick and ½-in. apart and are powder-coated and nontoxic, the company reports. It is designed for small birds, such as cockatiels, quakers, conures, pionus and caiques, and tiny birds such, as finches, canaries, parrotlets, parakeets, lovebirds, the company adds.