most birds
A brids' bones are hollow They have feathers They have beaks
Hollow bones, light body, large lungs and compact skeletal system.
Birds are the only things that have feathers and hollow bones.
hollow bonesfeathersmuscular chests
Wings, hollow bones, and feathers.
They all have feathers and are made of hollow bones.
wings, hollow bones, feathers, and no teeth
birds!
Bones and feathers.
They have a Streamline shape, wings ,feathers and hollow bones.
they have hollow bones and they have crops & gizzards
Coral, jellyfish, and aneomes are hollow bodied animals