https://www.npr.org/sections/health-shots/2014/11/25/366545524/how-can-vultures-eat-rotten-roadkill-and-survive https://www.npr.org/sections/health-shots/2014/1

https://www.npr.org/sections/health-shots/2014/11/25/366545524/how-can-vultures-eat-rotten-roadkill-and-survive https://www.npr.org/sections/health-shots/2014/11/25/3665455... They are not sure as there are various hypotheses apparently: > He says vulture stomach acid is 10 to 100 times stronger than human stomach acid, "so it seems like the stomach itself is a very harsh environment." > "Another hypothesis could be that they're actually using the bacteria in the stomach as some sort of probiotics," Hansen says. By having a gut full of a few tolerable species of bacteria, it's possible that those would crowd out other deadly microbes.