They occasionally poop on the roof of the house we rent (in the valley section of the roof). I knew about toxic raccoon poop, so we wore masks when we swept it into our trash can, but I had not idea that the parasites can live beyond a few weeks. 
It looks like we will need to pour boiling water on our roof…not sure how to get boiling water on the roof without serious injury. 
Maybe a steam cleaner? I bought one years ago to clean some difficult stuff when I bought my coop.
Hit it with the steam & sanitized. Not sure if that’s good for an asphalt roof. But could always test it on a shingle sample.
killjoys.
Ooh! I bought one the last year. Yes! Thanks for the great idea.
Now we know where the friends who don’t dance were left behind at. 
Couldn’t he have just used some 555s arranged as a Turing Machine? /s
Armada arrives
The Luggage’s long-lost cousin?
I agree, using a coaster to avoid potentially angering it is a good idea.
in some parts of this country, that is a possibility… 
… Kermit found he faced less discrimination after he started telling people he was a “frog”
Imagine the trouble the poor kid will have applying for a passport.
