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. Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary . owl, in arctic speci-mens. Var. j]ac{pcus is a littoral form,very dark colored, with little fulvous,extending Irom Oregon northward,coastwise, to Labrador. {llidgicay.)Facial disks complete; ear non-opercu-late; feet entirely feathered. Lengthabout 2 feet, rather less than more; wing14-16 inches; tail 9-10. This powerfulbird, only yielding to the great gray owlin size, and to none in spirit, is a commoninhab
. Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary . owl, in arctic speci-mens. Var. j]ac{pcus is a littoral form,very dark colored, with little fulvous,extending Irom Oregon northward,coastwise, to Labrador. {llidgicay.)Facial disks complete; ear non-opercu-late; feet entirely feathered. Lengthabout 2 feet, rather less than more; wing14-16 inches; tail 9-10. This powerfulbird, only yielding to the great gray owlin size, and to none in spirit, is a commoninhabitant of North America at large ; notmigratory ; breeds in late winter and early spring months, building a largenest of sticks, on the branches or in the hollows of trees ; eggs white,nearly spherical, 2^ by 1^^. Wils., vii, 52, pi. 50, f. 1; Nutt., i, 124;AuD., i, 143, pi. 39; Cass, in Bd., 49; Coor., 418. . ¥Ki. VAn. Great Horued Owl. 141. Genus SCOPS Savigny. * Toes bristly. Screech Owl. Med Owl. Mottled Owl. Like a miniature Jiubo in form ;8 or 10 inches long ; wing 6-7 ; tail One ijhunage: — General aspectgray, paler or whitish below, above speckled with blackish, below patchedwith the same ; wings and tail dark-barred ; usually a lightish scapular area;Another: — General aspect brownish-red, with sharp black streaks; below,rufous-white, variegated ; quills and tail with rufous and dark bars. Theseplumages shade insensibly into each other, and it has been determined thatthey bear no definite relations to age, sex, or season. Parallel varia-tions occur in some other species. North America at large; one of themost abundant species. Wils., iii, 16, pi. 19, f. 1 ; v, 83, pi. 42, f. 1;Nutt., i, 120; Aud., i, 147, pi. 40; Cass, in Bd., 51 ; Coop., 420. -^sio. STRIGID^, OWLS.—GEX. 142. 203 Var. KESNicoTTii. Laige dark nortb-western form ; general color sepia-brown,mottled and b
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