Conservation and restoration of feathers shaft and the vane. The shaft is composed of the calamus and the rachis. The calamus can also be called the quill and is the hollow portion of the shaft that enters the skin follicle. While the rachis is the solid portion of the shaft where the barbs attach. The vane extends to either side of the rachis and is made up of interconnecting barbs. This is considered the most substantial portion of the feather. Removing debris and organic matter from feathers is a key step in the conservation process. Here are several of the ways that feathers are typically
What Bird is That? of "What Bird is That?" It was published in 1984 and incorporated all of Cayley’s paintings created over many years for his vision of releasing a “big bird book” and included a revised taxonomy. In the 53 years since its first edition, more than a hundred new bird species had been identified in Australia. Scientific names had been changed and groups of birds had been reordered. Lindsey brought "What Bird is That?" up-to-date with the latest birding conventions of the time, as well as contributing a valuable supplementary list of birds and a scholarly catalogue of Cayley’s paintings. The "Signature