Data for: EvoDevo in owl ear asymmetry – the little owl (Athene noctua)

Sheet 1: Application of Kagurasho’s method (Kagurasho, M., Yamada, S., Uwabe, C., Kose, K., Takakuwa, T., 2012. Movement of the external ear in human embryo. Head Face Med. 8, 2.) to the little owl data in a lateral view. The center of the anatomical coordinate system was defined by the condylus occipitalis. The Y-axis crossed the pituitary gland. The X-axis was arranged orthogonally. Sheet 2: Application of Kagurasho’s method (Kagurasho, M., Yamada, S., Uwabe, C., Kose, K., Takakuwa, T., 2012. Movement of the external ear in human embryo. Head Face Med. 8, 2.) to the little owl data in a frontal view. The center of the anatomical coordinate system was defined by the condylus occipitalis. The Y-axis crossed the pituitary gland. The X-axis was arranged orthogonally. Sheet 3: Maximum and orthogonal diameters of the ear openings of little owls. The area and eccentricity were calculated from these diameters.