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Introduction S Charles Kendeigh
Intralocality character dimorphism in House Sparrows Richard F Johnston ____________ __
Breeding House Sparrows in captivity Carl J Mitchell and Richard O Hayes
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9 9 SCO 9 SNCO acid alleles American AOU members Arz-S Arz-W aviary banded breeding season Cal-W carcass Ch-S Ch-W Cloverlake Dairy clutches per nest correlated dimorphism energy English Sparrow European Tree Sparrow feeding field ﬂocks Fla-S Fla-W ﬂedging success fledglings ﬂight founder population genetic Hale County hatching percentage House Sparrow populations House Sparrows Ill-S Ill-W Illinois increase insulation isophane Johnston July June Kendeigh lean dry weight lipid located Louis lower lethal temperatures males Manitoba McLeansboro metabolic miles Minn-W molt monomorphic Monticello nesting activity North America number of clutches number of eggs oleic acid Passer domesticus Passer montanus Plainview plumage range reﬂect roosts samples Sas-W SELANDER sexual sexual dimorphism significant sparrow Passer species study area summer Summers-Smith 1963 surface area Swine Barn Table Tarsometatarsus tarsus length Tex-S Tex-W Texas text figures Tree Sparrow variation Vero Beach virus Weaver wing length Winter