94 OUR FEATHERED FRIENDS. 
pose that a mother can be sure that she has come to the 
right nest ? 
We have seen mother birds cry and call loudly, as if 
for help, when the babies have fallen out of the nest. 
If you pick up one birdling and place it back in the 
CAT-BIRD. 
nest, the mother takes a quick glance at it, and then 
goes on calling as before. She will not stop until she 
sees every one of them safe back in the cradle. This 
makes us think that some birds do count. 
In Tennessee, where we once lived, the cat-birds and 
brown thrushes used to build their nests in the porches 
and vines above the door. Sometimes we would take 
