Australian Pied budgerigar mutation spot, clear areas on the wings and a clear area on the breast. They differ from the Clearflight Pied in the nape spot, which is not always present, and in their feet, which are usually pink. But the main point of difference is in the clear area of the body, which in the Australian Pied is located in the middle or lower breast, with the upper breast being always normally coloured, so that there is a clear division between the mask and the breast, just as in normal birds. In the Clearflight Pied the clear area on the breast, if
Oriental pied hornbill nest in a variety of tree species such as "Bombax ceiba", "Careya arborea", "Cordia myxa", "Lagerstroemia parviflora", "Mitragyma parviflora", "Terminalia belerica", "Shorea robusta", and "Syzigium cumini". The main difference in the structural characteristics of nest cavities between hornbill species is cavity size, which is highly correlated with body size. Cavities preferred by the oriental pied hornbill are elongate and may be located at a height between 1–18 m or more. Cavity entrance shape is rounder than for other hornbills. Oriental pied hornbills tend to select nesting sites in close proximity to rivers or other bodies of water. Compared to other