. Handbook of birds of the western United States including the great plains, great basin, Pacific slope, and lower Rio Grande valley . rests mainly on the ground. For a falcon it is said tobe rather a quiet, spiritless bird. Subgenus scarcely feathered above, longer than middle toe with claw. 360. Falco sparverius Linn. Sparkow Hawk. Adult male. — Top of head bluish orslaty, with or without rufous crownpatch ; cheeks with two black stripes ;back rufous, with or without blackbars or spots ; wings bluish gray ; tailrufous, with black subterrainal band ;under parts varying from
. Handbook of birds of the western United States including the great plains, great basin, Pacific slope, and lower Rio Grande valley . rests mainly on the ground. For a falcon it is said tobe rather a quiet, spiritless bird. Subgenus scarcely feathered above, longer than middle toe with claw. 360. Falco sparverius Linn. Sparkow Hawk. Adult male. — Top of head bluish orslaty, with or without rufous crownpatch ; cheeks with two black stripes ;back rufous, with or without blackbars or spots ; wings bluish gray ; tailrufous, with black subterrainal band ;under parts varying from white torufous, with or without black female: similar, but back,wings, and tail barred with : similar to adults, but colorsmore blended and—in male — feath-ers of upper parts edged with : length , wing ,tail , bill .50. Female: , wing , tail , Distribution. — North America fromGreat Slave Lake south, east of theRocky Mountains, to northern SouthAmerica. Nest. — In holes, usually in deadFig. 237. trees. Eggs: 2 to 5, varying from. From Biological Survey, U. S. Ucpt. olAgriculture.
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