How are flying lizards different from birds?

This was one of the questions in my science final exam! * Flying lizards are reptiles, birds are aves. * Flying lizards are cold blooded, birds are warm blooded. * Flying lizards have 3-chambered heart, birds have 4-chambered heart. read more

Flying Lizard is a reptile and cannot come under the category Aves for the following reasons: - Lizards have a 3 chambered heart but birds have a 4 chambered heart - Lizards are cold blooded but birds are warm blooded - Lizards are covered with scales but birds are covered with feathers. read more

Reptiles belong to the Class: Reptilia while birds belong to the Class: Aves. Reptileshave scales all over the body, whereas birds have scales on the legs and the rest of the skin is covered with fluffy feathers. All the present-day reptiles are carnivore, butbirds have many different types of food habits. read more