A small cage, even if adorned with bird toys, is a cruel disposition for a creature that’s used to roam the free skies and migrate to other territories. Yes, you can’t keep your bird out of the cage if you are not around. Our homes are not their natural territory, and in their confusion, they might get injured. However, a large bird cage could allow them to spread their wings without risking injuries, and also provide them with the mental stimulation required to keep their mind sharp and their senses precise.