What do you call a single testicle of a bird?... Nature animal insect reptile supernatural_creature Please Rate Vote 1 Vote 2 Vote 3 Vote 4 Vote 5 Today's featured daily humor:What do you call a single testicle of a bird? Fowl ballClick for another laugh! Previous article: Does anyone know a good towel joke?... Prev Next article: DO NOT spell "part" backwards!... Next