68 THE CROSS-BILL AND THE LITTLE WARBLER. 
the branches, or on the ground, they move by 
a succession of leaps. 
The little pine warbler, also, visits the pine 
forest ; and inhabits its deepest recesses, where 
every tree is covered with its hanging coat of 
moss. He darts about, from branch to branch, 
catching flies ; and his bill is fringed with 
bristles, to enable him the better to secure them. 
There are a great many different kinds of 
these warblers ; and one of them chooses the 
tallest trees, and makes its nest amongst the 
thickest of the foliage. It is very nimble and 
lively, and climbs the twigs in search of insects, 
examining the under side of every leaf, to be 
sure that none escape it; and if the insect takes 
wing, the bird will take wing too, and seize it 
as it flies. Every now and then it stops to 
repeat its song, which consists of a few low 
sweet notes ; and away it darts, or else hangs 
from the end of the branch, as the warblers all 
have the habit of doing. 
It is not easy to find the nest of the pine 
warbler, built as it is in the deepest recesses of 
the forest. A naturalist took the trouble to 
watch one of these little birds for hours, in hopes 
of discovering where it lived. At length he 
