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Birds. 
THE ROLLER, (Coiacias garrula,) 
Is about the size of the jay. Its bill is black, sharp, 
and somewhat hooked. The head is of a dirty green, 
mingled with blue ; of which colour is also the throat, 
with white lines in the middle of each feather; the 
breast is of a pale blue, like that of the pigeon; the 
middle of the back, between the shoulders, is red ; the 
rump and lesser coverts of the wings are dark blue ; the 
feet are short, and, like those of a dove, of a dirty yel- 
low colour. 
The Roller is wilder than the jay, and frequents the 
thickest woods ; it builds its nest chiefly on birch-trees. 
It is a bird of passage, and migrates in the months of 
May and September. In Africa, it is said to fly in 
large flocks in the autumn, and is frequently seen on 
cultivated grounds, with rooks and other birds, search- 
ing for worms, insects, seeds, berries, roots, and in cases 
of necessity, small frogs. 
