Question

What are the characteristics of the class Aves?

Answer 1

Characteristics of Class Aves are as follows:
1) Warm-blooded with an exoskeleton of feathers.
2) Spindle-shaped body with head, neck, trunk, and tail.
3) Forelimbs modified for flying; hind limbs may be adapted for perching, walking, and swimming.
4) Scales are present on the legs.
5) Sweat glands are absent. Oil or preen gland is present at the base of the tail.
6) Pneumatic bones are present with a fully ossified endoskeleton.