. Birds of the United States east of the Rocky Mountains; a manual for the identification of species in hand or in the bush. Birds. 280 KEY AND DESCRIPTION GEESE (SUBFAMILY ANSERINE) Characteristics given on p. 276 Key to the Species .10. Fulvous Tree-duck. * Wing, 8-10 long ; Louisiana to Texas. ... * 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 pa
. Birds of the United States east of the Rocky Mountains; a manual for the identification of species in hand or in the bush. Birds. 280 KEY AND DESCRIPTION GEESE (SUBFAMILY ANSERINE) Characteristics given on p. 276 Key to the Species .10. Fulvous Tree-duck. * Wing, 8-10 long ; Louisiana to Texas. ... * 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 hyperborea).âA large, â vvhite-plumaged goose, with, black-tipped primaries, and red hill 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 east of the Missis- sippi. The eastern form is given below. Length, 23-28; wing, 14^17 ; tail, SJ ; tarsus, 2|-3J; culmen, 2-2\. Pacific coast to the Mississippi Valley ; breeding in Alaska, and wintering south to Illinois and California. The Greater. Lesser Snow &oose. Plea
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898
