THE TRAVELS OF BIRDS 



sirable bird? How do Swallows feed? What is 

 their principal fare? What makes them among 

 the most valuable birds to man? Have you ever 

 seen a Chimney Swift's nest? Where was it placed? 

 Where did these Swifts build their nests before there 

 were chimneys in this country? Describe a Chimney 

 Swift's nest. How do the birds gather the twigs 

 of which it is composed? What is used to glue 

 them together? Have you ever seen Crows flying 

 over on a winter morning? Were they flying high 

 or low? Have you seen them returning in the after- 

 noon ? At what height were they flying then ? Why 

 should they not fly at the same height both morning 

 and afternoon? Have you ever seen Gulls following 

 a vessel? Do you think the same Gulls followed 

 it day after day? In what ways are Gulls use- 

 ful to man? What famous poem mentions the 

 Albatross? 



