Bulletin 621, U. S. Department of Agriculture. 
Plate II. 
Fig. 1.— Crow Pellets 
These consist of masses of undigested food and are disgorged in great numbers at winter 
roosts. 
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Fig. 2.— Characteristic Ingredients of Crow Pellets. 
Collected at the Woodridge, D. C, roost in February, 1912. Included are the wing covers 
of clover-leaf weevils, fragments of crawfish, land and marine mollusks, bones of a small 
rodent, fragments of larger bones (carrion), hulls of corn and wheat, seeds of greenbrier, 
sour gum, flowering dogwood, poisonous and nonpoisonous sumac, wild grape, knotweed, 
an acorn, and gravel. 
