2^ 



FORM AND HABIT: TUE WING. 



liigli, whistling sound. In otlier cases the shafts of the 

 wing-feathers may be much enlarged and horny, when 



the bird makes a sin- 

 gular snapping sound 

 in flight. 



If you recall the 

 supplicathig manner of 

 "- - -» F>. Q^ young bird as with 



Fig. 9. — Winsr of Woodcock, showing three ,i n ,. • 



outer attenuate leathers. (Va natural gently tluttermg wmgS 



^^^^-^ it begs for food, you 



will recognize one of several ways in which the wings 

 may express emotion. Birds also threaten with their 

 wings, as any hen with chicks will testify, and from this 



Fig. 10. — Jacana, showing spur on wincr (natural size) and elongated toes (Ya 

 natural size). 



gesture to the actual delivery of a blow is but a step. 

 Swans, Pigeons, and Chickens can deal forcible blows 

 with their wings. Screamers, Lapwings, and Jacanas 



