Page 4 - PPT3

Arial animals

In birds :

 The forelimbs are modified

into wings which help them to
fly.

 The wings have feathers.

 They have hollow bones which

keep their body light .

 They have streamlined body.

 Their wings are attached to

the breastbone with the help

of strong muscles which help

the birds to fly. BIRDS USE WINGS
FOR FLYING
 Hind limbs in birds are in the

form of claws, which help

them to walk ,run and perch.