Answer:
I am the black child of a white father a wingless bird flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me even though there is no cause for grief and at once on my birth I am dissolved into air.
I am a portal to another world which you cannot enter. Only you can see me but I can't see you.
Brown I am and much admired. Many horses have I tried. Tire a horse and worry a man, tell me this riddle if you can. What am I?
I make a loud noise when changing jacket. I become bigger and delicious.
I am black and white. I have strings I have keys. I make sound without my lips. I make dough with no flour
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?