Fine, white powder. Banned in the USA for mammalian predator control, banned in Colombia, West Germany, and Philippines. A deadly human poison by ingestion and possibly other routes.
Routes of entry are inhalation, skin absorption, ingestion, eye and skin contact.
There may be a latency period before symptoms begin. Points of attack are cardiovascular system, the CNS, lungs and kidneys. In general, marsupials are more resistant to 1080 than placentals, though this is not always the case.