Squigly Squigly's Brain Teasers

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?

Answer:

Smoke.

Try another Brain Teaser:

A cowboy rides into town on Friday, stays for three days, then leaves on Friday. How did he do it?