The Parots Diaries
de Kloet, RS; de Kloet SR (2005). "The evolution in the spindlin gene in birds: Sequence analysis of an intron in the spindlin W and Z gene reveals 4 significant divisions of your Psittaciformes". Their heads, chests, and underparts are usually white by using a slight undertone of blue. Their tails and flight feathers are dim blue, as well as thei