However, their intelligence also suggests they need frequent psychological stimulation. Leaving them bored or neglected can result in behavioral troubles, such as feather plucking. Concur with Jimi that probably the most correct antonym for "free of cost" is "for sale." But, "ordered" or "priced" could operate as the opposite https://tysoncpaks.blogdiloz.com/35619204/examine-this-report-on-parrots-for-adoption-near-me