394 Trees, Stars, and Birds 



QUESTIONS ABOUT BIRDS 



1. Of the various birds to be seen in the vicinity of your home, 

 name the three species which you consider the most useful and give your 

 reasons. 



2. Name several kinds of birds that rob the nests of other birds. 



3. Name several kinds that prey upon other birds. 



4. What mammals and reptiles catch birds? 



5. Name other things that cause the death of birds or interfere with 

 their rearing young. 



6. How fast would English sparrows increase if they were supplied 

 with abundant food and had no enemies ? 



7. Describe a good trap for English sparrows. If other birds are 

 caught in such a trap, can they be released unharmed? 



8. Which birds are the earliest and which are the latest to nest in 

 your locality? 



o. What birds act as if wounded in order to lead an intruder away 

 from their nests? 



10. Name some kinds of birds that use mud in making their nests. 

 How do they carry it? 



11. Name all the birds which you know to occupy bird boxes. What 

 are some points to be observed in making and placing these boxes to suit 

 the birds? 



12. Do all birds migrate? 



13. Name all the birds which you have seen in winter. Why do not 

 more of them remain all winter? 



14. Are the woodpeckers and other birds you see in winter the same 

 individuals you saw in summer, or have those gone farther south? 



15. Classify several birds as the ruby-crowned kinglet was classified. 



1 6. Name five birds that belong to orders of which no examples are 

 mentioned in this book. 



17. About how many species of birds are there in the world? 



1 8. Why are turkey buzzards no longer protected in some states? 



19. What birds have increased in numbers? How do you accoulit 

 for their increase ? 



20. Has the national law protecting migrating birds done any good? 



