A BIRD HAS SMOOTH SHAPE A BIRDS WINGS AND EACH OF ITS FEATHERS ITS FLIGHT IS POWERD BY ITS MUSCLES A BIRDS COLLOR BONE IS FUESD IN A WISHBONE SHAPE

INSIDE ITS BODY POWERFUL CHEST MUSCLES FLAP THE WINGS UP AND DOWN

WHEN THE WINGS ARE PULLED UP THE TIPS OF THE WING FEATHERS

TO TAKE OFF A BIRD HAS TO BEAT ITS WINGS VERY HARD TO FORCE AIR QUICKLY OVER THE UPPER Surface AND PRODUCE LIFT