. Bird-life; a guide to the study of our common birds . If you recall thesupplicating manner ofa young bird as with Fig. 9.—Winsr of Woodcock, showing three ^ n .• - outer attenuate feathers. (-/■! natural gently lluttenng WlUgS ■ ^ it begs for food, you will recognize one of several ways in which the wingsmay express emotion. Birds also threaten with theirwings, as any hen with chicks ^vill testify, and from this. Fig. 10.—Jacana, showing spur on wing (natural size) and elongated toes (/snatural size). gesture to the actual delivery of a blow is but a , Pigeons, and Chickens can dea
. Bird-life; a guide to the study of our common birds . If you recall thesupplicating manner ofa young bird as with Fig. 9.—Winsr of Woodcock, showing three ^ n .• - outer attenuate feathers. (-/■! natural gently lluttenng WlUgS ■ ^ it begs for food, you will recognize one of several ways in which the wingsmay express emotion. Birds also threaten with theirwings, as any hen with chicks ^vill testify, and from this. Fig. 10.—Jacana, showing spur on wing (natural size) and elongated toes (/snatural size). gesture to the actual delivery of a blow is but a , Pigeons, and Chickens can deal forcible blowswith their wings. Screamers, Lapwings, and Jacanas FORM AND HABIT: THE TAIL. 25 have formidable spurs on their wings, wliich they aresupposed to use in combat. The Tail.—Except when sexually developed, theshape of the tail is largely governed by the characterof its owners flight. Male Lyre-birds, Pheasants, Fowls,Hummingbirds, and many others furnish well-markedinstances of the tail as a sexual character. Indeed, asthe least important to the bird of the four externalorgans we are speaking of, the tail is more often sexuallymodified than any of the other three. The main office of the tail, however, is mechanical, toact as a rudder in flight and a balancer when perch-ing. Short-tailed birds generally fly in a straight course,and can not make sharp turns, while long-tailed birds canpursue a
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsunitedstates
