THE TRAVELS OF BIRDS 



exposed? Have you ever seen land birds board 

 a vessel at sea? Have you ever found a dead bird? 

 What do you think was the cause of its death? 

 Why are more lost birds found in the fall than 

 in the spring? 



Why are insect-eating birds especially valuable to 

 man? Describe some of the ways in which birds 

 catch insects. What kinds of birds feed on the 

 'wing? What kinds feed from the leaves, buds, or 

 blossoms? What kinds feed on bark-haunting in- 

 sects, insects' eggs and larvae? 



Mention some insects injurious to agriculture; to 

 fruits ; to forests. Why are insect-eating birds ex- 

 posed to more dangers than seed-eating birds? For 

 what purposes have birds been destroyed? Why can 

 a Federal law give migratory birds better protec- 

 tion that a state law? How are birds protected la. 

 your state? 



