MARCH 



187 



The American Robix, when it first comes from the 

 south, sings most freely at noon or in the afternoon ; 

 but later, when the weather is mild enough to warrant 

 such early rising, it begins its song at dawn. It is not 

 a very intelligent bird, often building its heavy, bulky, 

 mud-lined nests on branches not capable of supporting 

 such a weisjht. 



American Robin. 



The eggs, perhaps the best known of all birds' eggs, 

 are four in number, and of that peculiar blue green 

 color, known as robin's egg blue. 



The robin belongs to the Thrush family ; its usual 

 length is ten inches. 



Bluebird : These birds are found only in America. The 

 coloring of the male is much more vivid than that of its 



