Answer:
Class - Aves, examples birds.
Step-by-step explanation:
Birds are vertebrates that are included in the class aves. Their body is covered with feathers. Have wings for flying. They are warm blooded (endothermic) animals with thin-walled and hollow bones. These bones are denser, stiffer, and stronger. They high metabolic rate to fulfil high energy requirement. They have beak made of keratin. They are oviparous or egg laying vertebrates.