You can download Radiology of Birds, An Atlas of Normal Anatomy and Positioning by Sam Silverman & Lisa Tell free in pdf format.
Use this atlas to interpret radiographic images and make accurate diagnoses! Hundreds of high-quality images clearly demonstrate normal avian anatomic and radiographic features in a wide variety of species so that you can recognize abnormal features. This book includes detailed directions for patient positioning along with radiographic exposure guidelines, ensuring that you obtain the highest quality diagnostic images. Complete directions for positioning during radiographic examination help you take high-quality radiographs for accurate interpretation. Radiographic exposure guidelines are provided for each species and radiographic view, so you can determine optimal settings and technique. Line drawings are superimposed on radiographic images, so you can identify anatomic structures accurately.