Bird anatomy
Bird Anatomy
Bird anatomy or avian anatomy provides the physical description of the internal and external structures of birds. The body of a bird is adapted to their habits and the environment in which they live.
Pronunciation
- IPA: /bɜːrd əˈnætəmi/
Etymology
The term "bird anatomy" is derived from the Old English "brid" meaning "bird" and the Greek word "anatomia" meaning "dissection".
Structure
External Anatomy
Feathers are the outer covering of birds, which are unique to the bird class. They provide insulation, flight control, and a waterproof layer.
Beak or bill is an external anatomical structure of birds which is used for eating, grooming and sometimes for manipulating objects.
Wings are the main means of locomotion in birds. They are specialized for flight, but not all birds can fly.
Tail feathers, or rectrices, provide stability during flight.
Internal Anatomy
Skeleton of birds is adapted for flight. It is lightweight and strong.
Respiratory system in birds is unique among animals. It includes lungs and air sacs.
Digestive system of birds is adapted to their diet.
Circulatory system includes a four-chambered heart.
Related Terms
- Ornithology: The scientific study of birds.
- Avian physiology: The study of bird body functions.
- Avian reproduction: The process by which birds reproduce.
See Also
External links
- Medical encyclopedia article on Bird anatomy
- Wikipedia's article - Bird anatomy
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