Birds

Birds are warm looded  animals that can fly. They lay eggs and when the eggs hatch they take really good care of their babies. Birds are usually bright colored and males use this coloring to attract mates. Most birds migrate in the  toescape the coming winter. Birds are usually found everywhere except antartica. Birds are usually found in large numbers. The biggest bird in the world is the ostrich. Birds lay eggs with a thin shell to protect the baby inside of the egg.
 

Why did dinosaurs evolve feathers? | Science | theguardian.com