Shows the user how to look at a feather in such a way that all the most important information necessary for species identification is obtained, and in many cases also details of the sex and age of the feather's former owner. Covers plumage, molting, morphology, and variability, conservation and study. This book mainly focuses on diurnal species of birds of prey and owls and species whose feathers could be confused with them. And it is reliable identification of feathers from the species listed in Annex 1 to the EU Birds Directive that will help make their efficient protection possible.