ocr: Because once you look one right in the eye. you have a sudden sense of what the effect has been on the creature of having all the disadvantages of being a bird- - - absurd posture, a hopelessly scrufty covering of useless feathers and two useless limbs- without actually being able to do the thing that birds should be able to do, which is to fly. It becomes instantly clear that the bird has gone barking mad.