40 NATURE-STUDT LESSONS. 



10. (a) Observe its legs, the number of parts in the 



leg, and the number of toes. 

 {b) Compare the leg and toes of a robin with those 



of a hen. 

 (c) Sketch the claws and leg. 

 {d) Show how they are adapted for grasping and 



holding. 



11. (a) Which is the larger bird the male or the 



female ? 



{b) Describe the difference in appearance of the 



male and female birds. 

 D. Its Nest. 



12. {a) Note the size, shape and material of which the 



nest is made. 

 {b) Describe the usual situation of the nest. 



13. {a) Observe the tree preferred by the robin in 



which to build its nest and note in which 

 part of the tree the nest is placed. 



(b) Does it build in the woods or near the home 



of man ? 



(c) Observe whether the old nest is ever used a 



second time. 



(d) Observe the bird collecting material for the 



nest. 

 {e) Note which bird does the work of building. 

 {/} Describe how it uses its bill, claws and breast 



to fashion the nest. 

 {g-) Describe the lining of the nest, and tell where 



the bird gets it. 

 {k) How long does it generally take to build a 



nest? 



14. While one bird is nest-building what is the occu- 

 pation of the other ? 



