BIRDS IN THEIR RELATION TO MAN 



PROBLEM XXXIX (Optional) 

 A study of some adaptations and reactions in birds. 



Material. Bird skins or mounted birds, skeleton of bird, 

 charts, live English sparrows if possible. 



a. Some Adaptations 



Observations. 1. How is a bird protected ? Just how are 

 the feathers arranged ? 



2. How many parts to the bill of a bird ? 



3. What especial shape is the bill of the bird you are study- 

 ing? 



4. What locomotor organs are there ? 



Conclusions. 1. Mention adaptations of the feathers for 

 flight. The shape of the body for flight. 



2. Is the bill adapted for eating seeds or other food ? Ex- 

 plain. 



3. How are the wings adapted for flight ? 



4. Study a bird's skeleton. What adaptations for flight do 

 you find? 



5. For what are the feet adapted ? 



b. Some Activities 



Observations. 1. Watch a bird (English sparrow) in flight. 

 Note the change in the position of the wings. 



2. What other means of locomotion has it ? 



3. Watch its methods of eating or drinking. 

 Conclusions. 1. Just how are the wings adapted to their 



particular use ? 



2. For what are the feet adapted ? The bill ? 



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