. .—w i ll,... ' 
THE BIRDS THAT WE SEE. 
775 
Pair of Hairy Woodpeckers—Sapsucker—Downy Woodpecker. 
excavator. Each j)air make their own 
nesting-hole, and at the end of the bur¬ 
row, which is usually two or three feet 
long, is a httle elevated chamber, in 
whose gloomy recesses the crystalline 
eggs are laid, and this httle creature of 
sunlight is first ushered into the world. 
Here we have enumerated some twen- 
fail of being seen, and probably the 
voices of twice as many are heard ; but 
the trained ear is necessary to distin¬ 
guish many of the obscurer birds, and 
detect the fifty odd that may be within 
observation during a brief excursion 
through a diversified country. 
In this short sketch we have omitted 
Barn-swallows. 
ty-five birds that anyone may see on a many birds that merely flew past, and 
fine May day in the temperate latitudes have left unnoticed many whose notes 
of the Eastern region. These cannot are the only signs by which their exist- 
