. Birds of a Maryland farm : a local study of economic ornithology . er (1902) formedan exception to this rule, the usual number being reduced to 2 or food of this species, as shown in 11 stomachs collected duringMay and June, was composed of (.»1 percent animal matter and 9 per-cent vegetable matter. The latter part was nearly all mulberries;the former was distributed as follows: Fly larvae, 1 percent; parasiticwasps, 2 percent; ants, 4 percent; bugs, 5 percent; caterpillars, 12percent; grasshoppers, including a few crickets. L3 percent; beetles,14 percent; May-Hies, 27 percent; spiders
. Birds of a Maryland farm : a local study of economic ornithology . er (1902) formedan exception to this rule, the usual number being reduced to 2 or food of this species, as shown in 11 stomachs collected duringMay and June, was composed of (.»1 percent animal matter and 9 per-cent vegetable matter. The latter part was nearly all mulberries;the former was distributed as follows: Fly larvae, 1 percent; parasiticwasps, 2 percent; ants, 4 percent; bugs, 5 percent; caterpillars, 12percent; grasshoppers, including a few crickets. L3 percent; beetles,14 percent; May-Hies, 27 percent; spiders. L3 percent. Thus bene-ficial insect- parasitic wasps formed only 2 percent of the food, andinjurious species—caterpillars, grasshoppers, and harmful beetles—amounted to 38 percent. fldie Baltimore oriole (Icterus galbula) is also a highly insectivorous,useful species, but occurs at Marshall Hall only during bird was collected May 29, L896. It had eaten mulberries, 2small wasps, 2 fall webworms, 1 click-beetle, and 15 locust
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirdsma, bookyear1902
