Question

what are called birds ?​

Answer 1

Birds are endothermic, meaning they produce their own body heat and regulate their internal temperature independently of the external temperature. Feathers not only act as insulation but also allow for flight, providing lift with secondary feathers and thrust with primary feathers.

Hope it was helpful!!!

Answer 2

Answer:

Birds (Aves) are a group of vertebrates which evolved from dinosaurs. They are endothermic, with feathers. Modern birds are toothless: they have beaked jaws. They lay hard-shelled eggs.