yes
No. All birds have feathers, although they may not be as easily recognisable as the feathers of birds which can fly. The kiwi, for example, has wispy feathers that may appear to be fur, but are not.
Plumage is what you would call a bird feathers. For example, the peacock has very beautiful, and colorful plumage.
An example of macro-evolution is the appearance of feathers during the evolution of birds from theropod dinosaurs.
As with other birds, the wing of a blue jay is covered in feathers.
There are no animals that have feathers besides birds.
Yes. Kingfishers are birds, and all birds have feathers.
Pretty much all birds have feathers
No. Only birds have feathers. Kangaroos are mammals, not birds.
no they have feathers
To say that birds use wings and feathers to fly, so all birds can fly, would be false. Not all birds can fly. An ostrich is an example of a bird that cannot fly.
Cassowaries are birds so, like all birds, they have feathers. Only mammals have fur.
Mammals are not covered with feathers. Mammals grow hair, but do not have to be covered with hair. Birds are covered with feathers.