Bonnacon

Bonnacon 2020 pen and ink

The bonnacon, a bull-like creature first described by Pliny the Elder, has inwardly curving horns that are useless for defense. When threatened, the bonnacon turns to flee and emits an enormous fart of such potency that bushes and trees caught in its path burst into flame.

I’m not making this up.

The Dying Earth by George Barr

Here is a 1976 cover painting by George Barr for Jack Vance’s Dying Earth.