The digestive system of pigeon is well developed and includes an alimentary canal and the digestive glands. Alimentary Canal: The alimentary canal of pigeon (Fig. 26.28) is long, tubular and coiled. It comprises mouth, buccal cavity, pharynx, oesophagus, stomach, small intestine and large intestine which opens to the exterior by cloacal aperture. All the segments of alimentary canal fall into [...]
The pigeon, like other vertebrates, has receptors or sense organs for touch, smell, taste, sight and hearing which are stimulated by the environment. These sense organs are termed external receptors or exteroceptors. The pigeon possesses following exteroceptors: 1. Tactile Organs: These are poorly developed in birds due to feathery covering of the body. Tactile organs of pigeon remain confined to [...]
In this article we will discuss about the external features of pigeon with the help of suitable diagrams. Shape and Size: The spindle-shaped or fusiform body of Blue Rock Pigeon is about 33 cm in length and is well adapted for rapid movement through the air. Coloration: Except the eyes and the feet which are pink, rest of the body [...]