I look like snow, but my colors are wrong; I fall from the air after fire burns strong. I darken the sky, and can choke the air, Waiting for the wind to carry me elsewhere.

what is yellow and starts with b but is not bread and is not with a at end but has a at the end

I may be bird-brained. Some say like a sparrow. Your harrowing escape. The window was...

Silent sentinel of the wild, upon my head I proudly stand. In battle, I announce my charge, in music, I lead the band.

I am white, I fly, and I am a symbol of peace. What am I?