they've unique crests and strong, curved beaks that can crack open up challenging nuts and seeds, that are their most popular meals.  Cockatiels are the smallest kind of parrots within the Cacatuoidea or cockatoo https://theobuqa533962.sharebyblog.com/30088966/african-grey-parots-for-sale-near-me-things-to-know-before-you-buy