RARE PICTURES AFIELD 189 



them sick, develop an abnormal amount of curly 

 feathers afterward. The warbler's eyes were drawn 

 into its head, its beak pale, and its feet scarcely 

 had the strength to hold it; its body seemed a 

 little pinch of bone with no flesh on it, but feathers 

 enough for two young birds. Each of the cow- 

 birds was easily three times the warbler's size, 

 and five times its weight, both of them having 

 crops so distended with food that it seemed as if 

 they would burst, for they stood in the nest obscur- 

 ing the young warbler, and with beaks wide open 

 vociferously called for food all day long. The old 

 warblers flew around frantically trying to still their 

 hunger cries. As I reproduced this picture the 

 first cowbird to abandon the nest was left where he 

 placed himself; I helped the baby warbler to a 

 position above, halfway between him and the nest; 

 and the other cowbird remained in the nest during 

 the exposure. Being sure that I had a good ex- 

 posure on this rare and unusual spectacle, the 

 young warbler was left in full possession of its 

 home, where it is to be hoped that it finally suc- 

 ceeded in getting a full crop. 



Among the pictures of birds uttering their cries 

 or singing, I once secured one of a male jay near 

 his nest, when he was crying: " Ge-ruUup, ge-ruUup, 

 ge-ruUup!" This bird's back was toward the 

 camera so that the markings of his shoulders, 

 wings, and tail showed very plainly. The back 

 of his head and his crest were well defined; his 



