. Birds of the United States east of the Rocky Mountains, a manual for the identification of species in hand or in the bush;. Birds; Birds. 280 KEY AND DESCRIPTION GEESE (SUBFAMILY ANSERINE) Characteristics given on p. 276 Key to the Species * Wing, 8-10 long ; Louisiana to Texas 10. Fulvous Tree-duck. * Wing over 11 long. (A.) A. Serrations on the cutting edge of the upper mandible scarcely visi- ble from the side at all; if visible then only at the base ; bill, feet, and portions of the head black. (D.) A. Serrations visible from the side for more than half the length of bill; bill and feet
. Birds of the United States east of the Rocky Mountains, a manual for the identification of species in hand or in the bush;. Birds; Birds. 280 KEY AND DESCRIPTION GEESE (SUBFAMILY ANSERINE) Characteristics given on p. 276 Key to the Species * Wing, 8-10 long ; Louisiana to Texas 10. Fulvous Tree-duck. * Wing over 11 long. (A.) A. Serrations on the cutting edge of the upper mandible scarcely visi- ble from the side at all; if visible then only at the base ; bill, feet, and portions of the head black. (D.) A. Serrations visible from the side for more than half the length of bill; bill and feet pale. (B.) B. Depth of bill at base about \ the length of culmen ; forehead white in the adult 5. White-fronted Goose. B. Depth of bill at base much greater than \ the length of culmen. (C.) C. General plumage of adult white ; young grayish-brown with the wing coverts widely margined with white 3. Snow Goose. C. General plumage gray, grayish-brown, or brown without conspicuous white margins to the wing coverts 4. Blue Goose. D. Head without white but the side of the neck with white streaks ; belly white 7. Brant. D. Head without white but the side and front of the neck with white streaks ; belly brownish-gray 8. Black Brant. D. Head with a whitish triangular patch on the cheek and throat (these parts are mixed with blackish in the young) 6. Canada Goose. D. Head mostly white ; lores black 9. Barnacle Goose. 3. Lesser Snow Goose (169. Chen hyperbored).—A large, white-plum aged goose, with black-tipped primaries, and red bill and feet. The young has much grayish on the head and back ; rump, tail, and lower parts white, and white margins to the wing coverts. This, the smaller snow _ goose, is rarely found * I east of the Missis- y | sippi. The eastern I form is given below. Lesser Snow Goose Length, 23-28 ; wing, 141-17 ; tail, h\; tarsus, 2f-3£; culmen, 2-21 Pacific coast to the Mississippi Valley ; breeding in Alaska, and wintering south to Illinois and California. The Greate
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898
