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
Pied-piping Pied-piping in English is optional with many prepositions ("in", "of", "on", "to", "with", etc.). Colloquial registers prefer to avoid pied-piping whenever possible, whereas a more formal register can opt for pied-piping. The issue is understood in terms of preposition stranding. When a preposition is stranded, pied-piping has not occurred, whereas when preposition stranding is avoided, pied-piping of the preposition has occurred, e.g. The debate surrounding the stylistic acceptability of preposition stranding can hence be illuminated by an understanding of pied-piping. Broadly construed, pied-piping occurs in other types of discontinuities beyond wh-fronting, that is, if one views just part of a