Loop in The Atlantic for good measure.

Assuming the error is with accidentally writing defiantly in lieu of definitely, I used to tell myself “There is definitely not an a in definitely.”

A few years ago, I started a sentence in my class with “When I was born”. A student instantly chimed in and said “What in the 19’s?” And I thought in my head, of course you idiot, everybody is born in the 19’s. It still haunts me.

I think you’re right that they regurgitate food for their young like most birds. A unique puke related vulture fact is that they projectile vomit at predators as a deterrent and means of dropping weight to flee after they’ve been gorging on a carcass.