. Birds in their relations to man; a manual of economic ornithology for the United States and Canada . the other sparrows inthat they take very few grasshoppers and comparatively littlegrass-seed, while on the other hand they take a small per-centage of wild fruit. The Pacific coast form of the white-crowned sparrow—sometimes called Nuttalls sparrow—has been carefullystudied by Dr. T. S. Palmer. Unlike most of tin; nativesparrows, this subspecies is sometimes injurious through itsdestruction of grain in newly sown fields or that ready toharvest. As a partial compensation, however, these birdse
. Birds in their relations to man; a manual of economic ornithology for the United States and Canada . the other sparrows inthat they take very few grasshoppers and comparatively littlegrass-seed, while on the other hand they take a small per-centage of wild fruit. The Pacific coast form of the white-crowned sparrow—sometimes called Nuttalls sparrow—has been carefullystudied by Dr. T. S. Palmer. Unlike most of tin; nativesparrows, this subspecies is sometimes injurious through itsdestruction of grain in newly sown fields or that ready toharvest. As a partial compensation, however, these birdseat great quantities of weed seeds. The Field-Sparrow is an abundant and widely distributedspecies, occurring in summer in southern Canada and theNorthern States and in winter in the Southern States. Itsfood is approximately forty per cent, animal and sixty per 1 See Some Common Birds in their Relation to Agriculture, p. 28. THE FINCHES AND SPARRUWS. 137 cent, vegetable matter. Insects and the seeds of weeds andgrasses are eaten in a way very similar to that of the otherground-loving THE FIELD-SPARROW. i After Biological Survey, i The sombre-colored Savanna-Sparrow, either in the typicalform or in that of the closely related species and subspecies,is found throughout almost all of North America. It is aground-loving bird, and abounds in meadows and pasturesand along highways, as well as by the margins of brooks andin stubble or corn-fields. It feeds upon the seeds of weedsand grasses, and also upon such insects as beetles, moths, andcaterpillars, animal and vegetable matter being about equallydivided. It has a special liking for beetles. Its nest isplaced in a clump of grass and carefully concealed from view. The common Chipping-Sparrow, or Hair-Bird, is the mostfamiliar of the sparrows, living freely about houses and ingardens. It is abundant and widely distributed, and an un-assuming but extremely useful little bird, which probably 138 BIRDS IN THEIR RELATIONS T
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