302 



CITIZEN BIRD 



the Chimney Swift's, and the beak is equally small and 

 feeble, not at all like the strong hooked one of a canni- 

 bal bird. Look overhead ! " 



" There are two light spots like holes through his 

 wings," said Rap. " Ah yes ! now I remember about 

 him — we can always tell him from a real Hawk." 



'' How does he make that queer noise ? " asked Nat. 

 "•It sounds like when I hit the telegraph wires with 

 stones, or blow in the bunghole of a barrel." 



NiGHTHAWK. 



" Watch him when he drops," said the Doctor ; " do 

 you not see that he does so with open wings ? The air 

 rushes between the long wing-quills and makes the 

 vibrating noise. Now he is up and away again, but 

 you see he keeps circling in the sky." 



"Does he build in chimneys?" asked Dodo. • 

 " The Nighthawk does not build any nest ; the eggs 

 are laid on bare ground or rock in an open field — 

 occasionally on a house-top. Strange as this seems, 



