THE 5-SECOND TRICK FOR PAROTS

de Kloet, RS; de Kloet SR (2005). "The evolution with the spindlin gene in birds: Sequence analysis of an intron from the spindlin W and Z gene reveals four major divisions of the Psittaciformes". Seed-feeding on parrots have a strong tongue (containing related contact receptors to those inside the bill tip organ), which aids to get more info mani