scaly skin
Birds have feathers on their skin
The birds skin is a leathery material but when wet starts to feel greasy.
Birds have a thin kind of skin underneath their feathers. Their skin is similar to mammals but much more delicate.
They don't, they have feathers on top of their skin.
Normal skin, with feathers attached to it! :)
The body covering on birds is considered the feathers, or plumage. Birds do have skin under their feathers, but their feathers are the outermost covering that protects their bodies.
Feathers
nop
yes they can
well its not skin like ours but it is very think if you think about your skin it is no like a bids skin.
Ostrich
Protocooperation is a type of relationship between two species in which both types benefit. One example is birds removing insects from the skin of cows.