XV 
HIS TRAVELS 
Most of our birds take two long journeys 
every year, one in the fall to the south, and the 
other in the spring back to the north. These 
journeys are called ‘“ migrations.” 
The birds do not go all at once, but in many 
eases those of a kind who live near each other 
collect in a flock and travel together. Hach 
species or kind has its own time to go. 
It might be thought that it is because of the 
cold that so many birds move to a warmer cli- 
mate. But it is not so; they are very well 
dressed to endure cold. Their feather suits are 
so warm that some of our smallest and weakest 
birds are able to stay with us, lke the chickadee 
and the golden-crowned kinglet. It is simply 
because they cannot get food in winter, that they 
have to go. 
The fall travel begins soon after the first of 
July. The bobolink is one of the first to leave 
us, though he does not start at once on his long 
