146 



BIRDS 



Figure 152. — Young Crows in Nest. 



mice, 40 of them other mammals; 20 of them reptiles; 

 39 of them amphibians ; 92 of them insects ; and 16 of 

 them spiders. A similar analysis of 133 stomachs of 

 Cooper's hawks shows the following : 34 of the stomachs 

 contained poultry or game birds, 52 contained other birds ; 



11 of them mammals ; 

 1 of them a frog ; 3 of 

 them lizards, 2 of them 

 insects, while 39 of them 

 were empty. 



Aside from being of 



value in the destruction 



of insects, birds destroy 



waste matter and dead 



Figure 153. — Kingfisher. animals lying Oil the 



