. The book of birds, common birds of town and country and American game birds . our fortli the vastflocks \ havoc witli grain fields. Eastof the Appalachian Range, marshes on theshores of lakes, rivers, and estuaries are tlieonly available breeding sites and, as these arecomparatively few and small, the species ismuch less abundant than in the West. Red-wings are eminently gregarious, living in flrickSand breeding in communities. The food of theredwdng consists of ly per cent animal matterand ~^ per cent vegetal)le. Insects constilutcpractically one-fourlli of the food. Beetles(large
. The book of birds, common birds of town and country and American game birds . our fortli the vastflocks \ havoc witli grain fields. Eastof the Appalachian Range, marshes on theshores of lakes, rivers, and estuaries are tlieonly available breeding sites and, as these arecomparatively few and small, the species ismuch less abundant than in the West. Red-wings are eminently gregarious, living in flrickSand breeding in communities. The food of theredwdng consists of ly per cent animal matterand ~^ per cent vegetal)le. Insects constilutcpractically one-fourlli of the food. Beetles(largely \vec\als, a most harmful group)amriunt to 10 per cent. Grasshoppers are eatenin e\ ery nifinth and amount to aliout 5 percent. Caterpillars (among them the injuriousarmy worm) are eaten at all seasons and ag-gregate 6 per cent. .Vnls, wasps, bugs, flies,dragonflies, and spiders also are Thexegetalilc food consists of seeds, includinggrain, of wdiicli oats is the favorite, and somesmall fruits. When in large flocks this bird iscapable of doing great harm to tilt SLACKi;k 01 BIIUJDUM liXPUbLD This is a picture of the nest of Mr. and Mrs. Yellow-lireasted Chat, and the majority ofthe eggs belong to the lady of the house; but she has been imposed upem in her absence andmade the victim of the indolence of her neighbor, Mrs. Cowbird, who has laid an egg in theChat nest for Mrs. Chat to incnliate with her own. ifrs. Cowbird, relieved of the respon-sibility of bringing up her offspring, is probably off iiidul, in some This para-sitic habit is a characteristic of the cowbird. The darker egg is the alien embryo. 61
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Keywords: ., bookcentury1900, bookdecade1910, bookidcu319240, booksubjectbirds
