6o 



BIRD WORLD. 



warm, SO the little bodies of the birds grow or develop 

 in the warm eggs, till what looked like nothing but 

 yellow and white liquid hatches out a little bird with 

 claws, beak, and the beginnings of feathers. 



All this the bird feels, even if she does not think it 

 as we think thoughts, so that when she is mated and 

 her mate and she have chosen the best spot for their 

 nest, she works very busily at building, or weaving, or 



■^ ^ 



Fig. 



Bird Homes. 



carpentering, whatever her nature tells her she can do 

 best, and before the eggs are ready she has a nest 

 in which to lay them. (The double nest in the pic- 

 ture is quite a curiosity. It belonged to Chipping 

 Sparrows.) 



I have spoken as if all birds felt alike and built 

 nests which all served as ovens and as homes for 



