. Birds in their relations to man; a manual of economic ornithology for the United States and Canada . x-amined, and Dr. A. K. Fisher, who studied five hundred andsixty-two stomachs from twenty-six widely separated States,Territories, and Prov-inces, r a n n g fromOntario to Florida andMassachusetts to Califor-nia. Dr. Warren foundmice in one hundred andthirty-one of the onehundred and seventy-three stomachs he ex-amined, while six ofthem contained rabbits;three, red squirrels;two, skunks; and eigh-teen, small birds. Poul-try was found in fourspecimens, insects inthree, snakes in three,and


. Birds in their relations to man; a manual of economic ornithology for the United States and Canada . x-amined, and Dr. A. K. Fisher, who studied five hundred andsixty-two stomachs from twenty-six widely separated States,Territories, and Prov-inces, r a n n g fromOntario to Florida andMassachusetts to Califor-nia. Dr. Warren foundmice in one hundred andthirty-one of the onehundred and seventy-three stomachs he ex-amined, while six ofthem contained rabbits;three, red squirrels;two, skunks; and eigh-teen, small birds. Poul-try was found in fourspecimens, insects inthree, snakes in three,and carrion in , less than ten percent, of the birds hadeaten poultry. results as to poultry were similar; fifty-four out ofthe five hundred and sixty-two specimens contained poultryor game-birds. Various other birds, as the robin, mourning-dove, crow, shore-lark, king-rail, meadow-lark, oriole, blue-bird, grackle, screech-owl, and several species of sparrows,were found in fifty-one stomachs. Mice—including the house,meadow, pine, white-footed, harvest, and Coopers mice—had 14. RED-TAILED HAWKS.(After Biolugical Survey.) 210 BIRDS IN THEIR RELATIONS TO MAN. been eaten by two hundred and seventy-eight of the birds ;while other small mammals—as the gray, red, and rock squir-rels, the gray, striped, and pouched gophers, chipmunks ofvarious species, the musk, cotton, kangaroo, and common rats,three kinds of rabbits, as well as shrews and skunks—werefound in one hundred and thirty-one stomachs. Frogs, toads,lizards, and snakes had been eaten by thirty-seven of thehawks; insects, chiefly grasshoppers, by forty-seven ; craw-fish by eight; centipedes by one ; and offal by thirteen ; whileeighty-nine of the stomachs were empty. That this hawk on the whole does considerably more goodthan harm there is no doubt, but the balance in its favor isnot so great that it is worth while to extend to it too muchprotection in thickly settled communities. There are three spec


Size: 1318px × 1896px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1903