. The bird, its form and function . )erpetual crook in the necksof these birds is significant of their method of fishing—apatient watch until the prey comes within striking distance-In the snake-bird this crook, or Z-shape, has, by the. Fig. 226.—Swan. Correlation of long neck and short legs due to feeding habits.(Sanborn, photographer.) adaptation of three of tlie neck-bones, become a veritabletrigger, ])y the springing of which the bird literall} spearsthe fish. If the mention in this chapter of a few examples ofcrests and other decorations has seemed in the least to Heads and Necks 283 verg


. The bird, its form and function . )erpetual crook in the necksof these birds is significant of their method of fishing—apatient watch until the prey comes within striking distance-In the snake-bird this crook, or Z-shape, has, by the. Fig. 226.—Swan. Correlation of long neck and short legs due to feeding habits.(Sanborn, photographer.) adaptation of three of tlie neck-bones, become a veritabletrigger, ])y the springing of which the bird literall} spearsthe fish. If the mention in this chapter of a few examples ofcrests and other decorations has seemed in the least to Heads and Necks 283 verge upon the monotony of a mere oatalogue, my pleais that they have been cited with the intent ion of emjjha-sizing the fact of the remarkable degree which decoration,pure and simple, plays in courtship. Viewed from suclia standpoint, these facts and comparisons l)econie im-portant data in the observation of the comiship of ])irds,


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Keywords: ., bookauthorbeebewil, bookcentury1900, bookdecade1900, bookyear1906