♦️Parrots Colors And Ⓜ️utations.. ✨ Golden jewels.. ( lutino macaw ) Blue and Yellow Mutation. Lutino is a term used to describe birds that exhibit a yellow pigmentation known as xanthochromism. Birds exhibiting genetic xanthochromism, especially deliberately bred mutations of several species of parrot in aviculture, are termed "lutinos". Lutino is of the Blue & Gold Macaw species. These are extremely rare, particularly in Australia. Instead of having a black beak, claws and facial features, and