de Kloet, RS; de Kloet SR (2005). "The evolution from the spindlin gene in birds: Sequence Investigation of an intron of your spindlin W and Z gene reveals 4 significant divisions of the Psittaciformes". Their heads, https://karimzkop168396.blogofoto.com/61680082/a-review-of-african-grey-parots-for-sale