What are the featufeatures of bird …

There are several features of birds that help them to fly

• They  have  hollow  bones .
• They  have  wings  that  help  them  to  fly .
• They  have  a  streamlined   body  that  makes  them  light  weight  and  make  them  fly  in the air .
• They  have   powerful  muscles .

Ans. Flying birds have:

• lightweight, smooth feathers, this reduces the forces of weight and drag
• A Beak: instead of heavy, bony jaws and teeth, this reduces the force of weight
• an enlarged breastbone called a sternum for flight muscle attachment – this helps with the force of thrust
• Light Bones : a bird’s bones are basically hollow with air sacs and thin, tiny cross pieces to make bones stronger, this reduces the force of weight
• A rigid skeleton to provide firm attachments for powerful flight muscles, this helps with the force of thrust
• A streamlined body : this helps reduce the force of drag
• Wings: these enable the force of lift.