134 
FINDING NATURE'S TREASURES 
the hole. After they had looked into the nest, Unde Jack 
said, “Let us sit down behind those bushes and see if 
Mr. and Mrs. Bluebird will bring something for their 
babies to eat.” 
Soon Mrs. Bluebird flew over to the hole. She peeped 
in to see if her babies were all right. Then she flew away. 
After a while she was back with a caterpillar. Just as 
she left the nest, Mr. Bluebird came with a grasshopper. 
Then Mrs. Bluebird brought some kind of insect, but 
they could not tell what it was. Again and again they 
saw the birds come back to their nest, and each time they 
had some kind of insect in their bills. 
“Do they work as hard as that all summer?” asked 
Buddy. 
“Yes, they work almost all summer just the way you 
see them working today,” said Uncle Jack. 
“These babies will soon be big enough to fly away,” 
said Fred. “What will Mr. and Mrs. Bluebird do then?” 
“They will begin to raise another family,” answered 
Uncle Jack. 
“What a great number of insects they have to catch 
to feed two families!” said Marylee. “I am glad that I 
am not a bluebird and have to work as hard as that.” 
“I don't think that they are unhappy because they 
have so much work to do. Did you hear Mr. Bluebird 
stop long enough to sing that little song just then?” 
asked Uncle Jack. “You see they love their children, 
and they are happy in working for them. Your mothers 
are working for you nearly all the time, too. They cook 
good things for you to eat; they clean the dishes; they 
