A kiwi's feathers are shaggy and hairlike, and do not have the "hook and barb" system of flighted birds. Flighted birds have feathers where all the strands are linked via tiny "barbules". These help to keep the feathers stiff, and help with flight.
A bird is an animal with feathers. A plane is a constructed object.
There is no such thing as a dinosaur that flys. The difference between a pteradoctyl and a bird is: Birds have feathers and pteradoctyl's don't. The difference between a oviraptor and a bird is: Oviraptor have hands and birds have wings.
for flying and warmth
No, the biggest difference between birds and other animals is that birds have feathers. Every bird has feathers and everything that has feathers is a bird. A Whistling Swan, in winter has the most with about 20,000 individual feathers. And the fewest feathers? That distinction goes to the Ruby-throated Hummingbird with about 940.
If a bird were to give birth, it would not be considered a bird, but a flying mammal with feathers.
a bird has hollow bones and an incect has an exo skeleton on the outside of their body!
they have hollow bone and human bones are solid
these are the main feathers on their wings. they are used for flying
They shed feathers like a dog sheds hair. The feathers are replaced with new ones. This helps keep the bird in tip top shape for flying.
All birds have wings (although not all birds are capable of flying). Every bird also has a beak and feathers.
That the bird flying overhead is starting to go bald.
hit it with a rock! try searching 4 the answer in google