Birds are warm-blooded animals and can fly in the sky. Their body structure suits their requirement of flight. It is essential to study their anatomy to understand the birds, their flight, and reproductive system. The students must use a bird anatomy diagram for that. A bird belongs to the class Avis and is warm-blooded. They have their bodies covered with feathers and have a temperature of 40° centigrade. Learn more details from this diagram, or try to make yours with ease now.