urm.
They have a Streamline shape, wings ,feathers and hollow bones.
structures made of keratin that are unique to birds and provide them with a warm, lightweight body covering and a streamlined shape
A gannet has feathers for flying and fins for swimming. Feathers on their bodies and wings help them glide through the air, while their webbed feet and streamlined body shape enable them to navigate underwater efficiently.
A bird's feathers are specially designed to be lightweight, yet strong and flexible. They help create lift and thrust during flight by providing a large surface area for air to push against. Additionally, feathers help birds to control their speed and direction while flying.
contour
All owls are covered with feathers of different colors.
contour feathers
Highly colourful feathers
As a grouse is a bird, it has a body covering of feathers. All birds have a body covering of feathers.
Turkeys have many types of feathers such as beard, crest, ear tuft, flight covert, fluff, lesser sickles, main tail feathers, muff, neck hackles, primary flights, saddle, scapular, secondaries, sickles, tail coverts, vulture hocks, wing bar, and wing bow coverts.
Feathers.