Cleaning of  feathers  by the birds is called:

Which feathers  are the outer layer on a bird’s body?

Which part of a bird fall and grow again at least once a year?

Which bird uses its long pointed beak to peck at the bark of trees?

What is the shape of the body of a bird?

The mass movement of birds from one place to another is called:

Which is the largest bird?

A scientist who studies birds is called a/an:

In the sky, eagles can fly very:

Birds eat with the help of: