de Kloet, RS; de Kloet SR (2005). "The evolution in the spindlin gene in birds: Sequence Evaluation of an intron in the spindlin W and Z gene reveals 4 big divisions from the Psittaciformes". With a lot of species to https://owaingnxn178733.bloggip.com/30440793/macaw-parrots-for-sale-no-further-a-mystery