. 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, inclusive of Greenland and Lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds . ellowof great audacity andprowess, preying onbirds up to the sizeof grouse and domesticpoultry. Nesting asdescribed for A. eggs I have ex-amined measure from X l-4!
. 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, inclusive of Greenland and Lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds . ellowof great audacity andprowess, preying onbirds up to the sizeof grouse and domesticpoultry. Nesting asdescribed for A. eggs I have ex-amined measure from X l-4!5 to X (figures showing the variation both in size and shape), averagingabout X They resemble those of the marsli hawk so closely as not to be certainlydistinguishable, but are usually more globular, and with a more granulated shell. Thegreatest diameter is at or very near the middle; difference in shape of the two ends is rarelyappreciable. All are more uniform in c(dor than those of most hawks, resembling the pale,scarcely-marked examples occasit)nally laid by most kinds ; none are conspicuously dark-marked. The ground is white, faintly tinted with livid or greenish-gray; if marked, it is witbfaint, sometimes almost obsolete, blotches of drab, liable to be overlooked without close inspec-tion; only an occasional specimen is found with decided, though still dull and sparse, markings :14. Fig. 371. — European Goshawk, young ^. i nat. size, not distinguishable in thecut from the American Gosliawlt; change of scale to ^ or J would make it repre-sent the young J Coopers or Sharp-shinned Hawk. (From Brehm.) 530 SYSTEMATIC SYNOPSIS. — RAPTORES— ACCIPITRES. of pale brown. Three or four eggs are tli^Wsual uest-coinpleinent ; in the Northern andMiddle States they are laid in ASTUK. (Lat. astur, a hawk.) Goshawks. Characters in general as above given forAccipiter; size superior, and organization more robust; feet stronger, the tarsus featheredabout i
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
