Birds are warm blooded animals that are different from the other animals on the earth. Birds walk on two legs and fly with the help of wings and instead of hairs they have feathers and in the place of jaws they have beaks. The body temperature of the birds is around 40 degree celcius and is the most warmest vertebrate in the earth. Except few birds most birds lack the sense of smell. They have a compact body shape which helps them to fly high in the sky.
When it comes to a bird anatomy it requires little effort to understand it. All the organs of the birds are packed tightly in that small body. The anatomy of the bird is totally different from those of another animals. Birds required high oxygen content because of their high metabolic activities. So they have a efficient respiratory system. Their lungs are easily ventilated and they are the places of gas exchange.
Birds have a four chambered heart and they breathe much faster than any other animals on the earth.
To understand the anatomy of a bird this section is spitted into: