W. Coape Oates, Wild Ducks: How to Rear and Shoot Them
“ All is now ready, and at a given signal the birds which have been shut up all night will be liberated in detachments of varied numbers, first from the dark building, and secondly from the wire enclosure. Thoroughly frightened with their unaccustomed imprisonment, they take wing at once, and make the best of their way to the sanctuary, giving the guns most sporting shots. Should the wind be across their line of flight to the sanctuary, you will of course have to flag them in, as ducks always rise up wind, and love to fly against it; nothing they detest so much as getting their feathers ruffled. ”
