. Birds of a Maryland farm : a local study of economic ornithology . ion of Entomology). Marshall Hall; therefore only 71 of the 615 native birds collected hadeaten them, though most of these had made them the major part oftheir food. The list of species eating them is as follows: List of birds examined whose stomachs contained grasshoppers. Bobwhite. Orchard oriole. Cardinal. Kingbird. Crow blackbird. Maryland yellow-throat. Great crested flycatcher. Savanna sparrow. Catbird. Blue jay. Grasshopper sparrow. Carolina wren. Common crow. Henslow sparrow. House wren. Cowbird. Chipping sparrow. Bro
. Birds of a Maryland farm : a local study of economic ornithology . ion of Entomology). Marshall Hall; therefore only 71 of the 615 native birds collected hadeaten them, though most of these had made them the major part oftheir food. The list of species eating them is as follows: List of birds examined whose stomachs contained grasshoppers. Bobwhite. Orchard oriole. Cardinal. Kingbird. Crow blackbird. Maryland yellow-throat. Great crested flycatcher. Savanna sparrow. Catbird. Blue jay. Grasshopper sparrow. Carolina wren. Common crow. Henslow sparrow. House wren. Cowbird. Chipping sparrow. Brown creeper. Red-winged blackbird. Field sparrow. Kobin. Meadowlark. Song sparrow. Bluebird. Had grasshoppers been abundant the birds would undoubtedly havedestroyed them in large numbers. Their scarcity may possibly bedue to the abundance of birds at Marshall Hall. Ants.—Whenever temperature allowed any insects to occur in appre-ciable numbers, ants were abundant, and at times they were the most Bull. 17, Biological Survey. U. S. Dept. of Agriculture- Plate Fig. 1.—Calamus Swamp, the Haunt of Several Marsh-loving Birds.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1902
