Vanilla is a product of Lussumo:
Documentation and Support.
Their beaks are open, as if they were squawking as they died. They are not physically damaged...and the whole bit with the newspaper stand. I've learned a good many things from looking at this, one of which is that I never would have thought to tell the artist to leave the sky blank for the colorist to fill in with the sunset; makes sense, though.
ABOUT CHAPTER TWOI hope this hasn't raised an issue already. I've search-engined key words and couldn't find what I've been looking for since I started reading Gravel TP vol 01: