. 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 . or more.; extent 5 feet; wing 18-20 inches ; tail ; tarsus ; middle toe and claw more; bill about Am. at large. This is the most generally distributed and on t
. 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 . or more.; extent 5 feet; wing 18-20 inches ; tail ; tarsus ; middle toe and claw more; bill about Am. at large. This is the most generally distributed and on the whole the most abundantgoose of oar country. It breeds in various parts of the U. S., sometimes in trees, but thegreater number of individuals pass further north to nest. Eggs 5 to 9, usually 5 or 6, ellip-soidal, smooth, pale dull greenish, about X B. c. occidentalis. (Lat. ocddentalis, western.) Larger White-cheeked Goose. Similarto the last ; of equal size, and tail 18-feathered. Coloration averaging darker than in the last,the under parts especially, against which the white of the anal and crissal region is of neck bounded below in front by a white half-collar. Bill averaging shorter, andtarsus relatively longer. The best samples are well marked; others shade into the commonform. Pacific coast, especially Alaska. (The bird here indicated is B. ocddentalis Bd. Whether. ANATID^ — ANATIN^: RIVEB BUCKS. 689 leucoparia Brdt. ? But not leiicoparia Cass. Not in the Check List, 1883, not having beenthere tbrmally recognized as a subspecies.) 03. B. c. leucoparia. (Gr. XevKos, leukos, white; wapeid, pareia, cheek.) Smaller White-cheeked Goose. Similar to the last in color; but much smaller, and tail 16-feathered, thusresembling No. 704, from which distinguished as ocddentalis is from canadensis. Length less; wing about This is the small white-necked goose figured by Cassin, lU.,pi. 45, as B. leucoparia, Brandt. Pacific coast, es
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
