118 OUR FEATHERED FRIENDS. 
sheltered nook he can find for his bed. Some _ birds 
appear to go to the same place to sleep every night. 
We suppose they feel more at home in one spot, if they 
have not been molested there. When we find a par- 
ticular spot where we know the birds are in the habit 
of sleeping or roosting, we are careful not to disturb 
the bush or tree. 
Some birds sleep with their heads all covered up 
with the bed-clothes, as if they were afraid, like fool- 
ish children. Perhaps they like a warm night-cap, 
though we do not see how they need one with such a 
thick head of hair as they have. We call it “tucking 
their heads under their wings.” 
It is a queer fashion to stand or squat on one foot 
all night, instead of lying down like other people. 
We suppose they use one foot at a time, so that the 
other may be rested. You have noticed that anybody 
who must stand for a long while usually favors one 
limb or foot, holding it up a little at the knee joint, 
and after a time changing to the other. Try it your- 
self and see. : 
One very odd position in which some birds sleep is 
upright on the bark of a tree trunk, clinging to the 
wood with their toes, and propping themselves up with 
their strong, pointed tail-tips, as the flickers and some 
of their friends do. 
Going-to-bed-time and getting-up-time are happy 
hours with the birds. About sundown you will hear 
them saying, “Just one more twitter,” “One more 
