Flying insects, such as flies, butterflies, and dragonflies, have thin, membranous wings that they move by altering their body shape. Birds possess strong wings made of bone and muscle ...

Whether they’re opening for takeoff, spreading wide for a lazy soar or flapping to brake for landing, bird wings make flying ...

Insects come in all different shapes and sizes ... Insects also have wings which some of them use to fly with. Look at this pretty butterfly flapping its wings and flying along.