An essential dietary supplement. Calcium is a key component of the skeleton; its deficiency leads to underdevelopment and curvature of bones, and in adult birds, to their weakening and brittleness. Calcium is also necessary for the formation of eggshells during incubation.
Birds require a house in which they can fly and have some freedom but still ensures they do not fly away. Bird cages are constructed to be large enough to accommodate the motion and daily activities of domesticated birds.