Since installing Dawnguard this morning, after a couple minutes of being in an area, for the third time now a dead empty dragon has fallen from the sky. I don't absorb any soul, as I said they are empty. I'm not sure if it's related to the update, but it is odd.

I have heard of raining cats and dogs before but this is ridiculous

Watch your head

Its a bug that has been in vanilla skyrim. Seems dawnguard just set it off for you.

I dont think it hurts anything though. Just roleplay it as a dragon dying from old age... Instantaneously.

Like birds:) Flapflapflapflapflapflap +_+