Sonia birdcages: the perfect choice for cockatiels and budgies If you’re looking for a spacious, comfortable, and easy-to-clean birdcage for your feathered friends, look no further than Sonia birdcages. These birdcages are specially designed for cockatiels and budgies, but they can also accommodate other small birds. They feature a classic rectangular shape and come with several accessories to make your birds happy and healthy.