Digestive Physiology of Birds- A description of the unique features of the digestive tract of birds, including a photograph and links.
http://arbl.cvmbs.colostate.edu/hbooks/pathphys/digestion/herbivores/birds.html
The Bird Site: Bills and Beaks- Birds and Beaks at the Los Angeles Natural History Museum. This site shows the adaptations of various birds for their preferred prey.
The Digestive Physiology of Herbivores- A description of various strategies employed by herbivores, including digestive anatomy and physiology of ruminants.
The Digestive System- A hypertextbook on the pathophysiology of the digestive tract. In-depth tutorials investigate the parts of the digestive tube, and the accessory organs.
