. Birds of a Maryland farm : a local study of economic ornithology . ntomology , Marshall Hall; therefore only 71 of the 645 native birds collected hadeaten them, though most of these had made them the major part oftheir food. rlhe list of species eating them is as follows: hist of birds examined whose slomacJis contained grasshopp* /■•-■. 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


. Birds of a Maryland farm : a local study of economic ornithology . ntomology , Marshall Hall; therefore only 71 of the 645 native birds collected hadeaten them, though most of these had made them the major part oftheir food. rlhe list of species eating them is as follows: hist of birds examined whose slomacJis contained grasshopp* /■•-■. 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. Robin. Meadowlark. Song sparrow. Bluebird. Ibid 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. Whenever temperature allowed any insects to occur in appre-ciable numbers, ant- were abundant, and at times they were the most Bull. 17, Biological Survey, U. S. Dept of Agriculture. Plate VII. Fig. 1.—Calamus Swamp, the Haunt of Several Marsh-loving Birds.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirdsma, bookyear1902