. Gli uccelli nei loro rapporti con l'uomo; un manuale di ornitologia economica per gli Stati Uniti e il Canada. È favorevolmente considerato dagli epicuresand sparatori e merita la buona volontà di coloro che hanno interessato l'inagricoltura. Vive in campi e pascoli e durante il thesummer si nutre in gran parte di insetti. Le patate del Colorado si mangiavano molto spesso : cento di questi parassiti erano stati prelevati dallo stomaco di un uccello. Esercito-vermi arealso devored. Quando gli insetti non sono abbondanti, vegetablematter, che è ahvays preso in quantità maggiori o meno, diventa la forma di base della dieta. Ciò include grani,

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. Birds in their relations to man; a manual of economic ornithology for the United States and Canada . is favorably regarded by epicuresand gunners and deserves the good will of those interested inagriculture. It lives in fields and pastures and during thesummer feeds largely on insects. Colorado potato-beetles arefrequently eaten : one hundred and one of these pests havebeen taken from the stomach of one bird. Army-worms arealso devoured. When insects are not plentiful, vegetablematter, which is ahvays taken in greater or less quantities, becomes the staple form of diet. This includes grains, seeds, THE PIGEONS. GROUSE, AND SHORE-BIRDS. 223 nuts, berries, and green leaves. Twenty-one quail takenin Nebraska between May and October had all eaten seedsand from thirty-one to forty-seven insects each. Of twotaken in New Hampshire in the winter when the ground wascovered with snow, and examined by us, one had eaten sevenoats, ten barberries, one poison-ivy seed, and some bits ofgreen leaf that were not determined; the other had eatentwenty-five oats, twelve barberries, seven small seeds, and. THE BOB-WHITE OR QUAIL. nine leaves of white clover. The oats had evidently beentaken from horse droppings in the road near by. Accordingto the studies of the Department of Agriculture, seeds ofrib-grass, tickfoil, and berries of nightshade are sometimeseaten, and pigeon-grass and smartweed are frequently con-sumed in large quantities. The amount of grain food in thestomachs thus far examined is surprisingly small, while theproportion of weed seed is astonishingly large, in some cases 224 BIRDS IN THEIR RELATIONS TO MAN. crops and gizzards being literally gorged with hundreds ofseeds of ragweed/11 The Ruffed Grouse as a game-bird ranks higher in popularesteem in the East than any other bird. The flesh is whiteand delicious, and its wariness and rapid flight exact the bestefforts of even the most experienced sportsman. Its food habitsare of secondary importance, but nevertheless inter

Parole chiave associate all'immagine

• bookcentury1900
• bookdecade1900
• booksubjectbirds
• bookyear1903