(from the article `bird`) ...from the tip of a very short shaft. Their function is insulation, and they may be found in both pterylae and apteria in adult birds. They also ... ...yet strong. They are of three basic types, each associated with certain functions. Contour feathers (including the flight and tail feathers) ... [2 related ... Found on http://www.britannica.com/eb/a-z/f/25
Fil'o·plume noun [ Latin filum a thread ... pluma a soft feather.] (Zoology) A hairlike feather; a father with a slender scape and without a web in most or all of its length. Found on http://www.encyclo.co.uk/webster/F/29
filoplume 1. A hairlike feather having few or no barbs, usually located between contour feathers. 2. A feather with a slender scape (stem-like) and without a web in most or all of its length. Found on http://www.wordinfo.info/words/index/info/view_unit/1704/