What Am I Riddles

Question: I go into the water red and come out black.

What am I?

Question: I climb to the top I dive below I return again For another show.

Question: To look cool wrap me around your head.
Remove a letter and eat me instead.

What am I?

Question: Hold me by the neck and I won't mind,
if I get wrong I just need a good wind.
If you want me you better pick wisely,
just use your ears and I'll follow you blindly.

What am I?

Question: 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.

What am I?