Mockingjay - Reeking, Carrion, Scavengers and Blanketed

"But others, probably overcome with smoke, escaped the worst of the flames and now lie reeking in various states of decomposition, carrion for scavengers, blanketed by flies".

Reeking-As adjective:

To smoke, steam, or fume.

To be pervaded by something unpleasant.

To give off or become permeated with a strong unpleasant odor.

Carrion
          The decaying flesh of dead animals


Scavengers 
          An animal that feeds on carrion, dead plant material, or refuse

Blanketed - As a verb
          Cover completely with a thick layer of something.