Bird Feathers: A Guide to North American Species (Birds Ornithology)
This guide teaches birders to use the characteristics of wing types and feather morphology to identify feathers - not only by species but also by their place on the bird's body. The introductory chapters give a detailed overview of the feather - how feathers developed, the parts of a single feather, and the variety of types of feathers on a bird. In the feather identification section, More »