Fig. 477
(2) If the head in Fig. 476 is not long enough for a graceful flight, a longer head cut from cardboard can be pasted on.
(3) If the bird dives quickly down head first, you know that the head is too heavy, or the neck too long.
(4) If the bird rises and then falls the head is too light and probably not long enough.
(5) The wings can be made larger if necessary by the addition of tissue-paper wings gummed on as A in Fig. 477.
Fig. 478
