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EFFECT OF THE DDT SPRAY o
THE BIRD POPULATION OF A CUTOVER AREA o
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_ 1 _ _ W _ abundant adults alder swamp Algonquin Park average balsam ﬁr bay-breasted warbler behavior bird population black spruce Black Sturgeon Lake black-throated green warbler blackburnian warbler breeding population brown creeper budworm larvae budworm outbreak Canada jay Cape May warbler census chase chickadees Compsothlypidae coniferous forest contacts cutover area Dendroica density feeding feet female ﬁeld ﬁg ﬁghting ﬁgures ﬁrst ﬁve ﬂew ﬂicker ﬂight ﬂocks ﬂy ﬂycatcher foliage insects Fringillidae golden-crowned kinglet grosbeaks ground grouse individuals insect outbreak intra-species Juee July June Kendeigh Lake Nipigon large number magnolia warbler male migration Mixed forest myrtle warbler Nashville warbler nest niches observed occurred oven-bird pairs per 100 percent Pigeon Hawk recorded red-eyed vireo region signiﬁcance singing slate-colored junco soamp song sparrow species sprayed area spruce budworm Sturgeon Lake area Tennessee warbler territories thrushes tree stratum warbler on plot white spruce white-throated sparrow Wren