soft, fluffy feathers

that help birds stay warm

soft, fluffy feathers

that help birds stay warm

part of a stomach

that has strong muscles

 to crush food.

a part of a stomach

 that has strong muscles

 to crush food

the God given ability

 animals have

to do things

without learning

to arrange or smooth

the feathers with the beak

to arrange or smooth

the feathers with the beak

the long stiff

center tube of a feather

the long stiff center tube

of a feather

having a long smooth shape

that can easily move

through air or water

a streamlined body &

hollow bones

when ducks preen their feathers

 they add oil to the feathers