North American fauna . 8d). Maximum counts (nonbreeding).—Spring: 25 along the Poco-moke River in Worcester County on May 5, 1951; 16 in St. MarysCounty on May 8, 1954 (J. W. Terborgh). CHESTNUT-SIDED WARBLER Dendroka pensylvanica (Linnaeus) Status.—Breeding (see fig. 54) : Common in the AlleghenyMountain, and Ridge and Valley sections (chiefly at elevationsabove 1,200 feet) ; fairly common locally in the northern part ofthe Piedmont section, occurring in northern Carroll County, andin the valley of Gunpowder Falls in northern Baltimore County;rare and local in the southern part of Baltimore C
North American fauna . 8d). Maximum counts (nonbreeding).—Spring: 25 along the Poco-moke River in Worcester County on May 5, 1951; 16 in St. MarysCounty on May 8, 1954 (J. W. Terborgh). CHESTNUT-SIDED WARBLER Dendroka pensylvanica (Linnaeus) Status.—Breeding (see fig. 54) : Common in the AlleghenyMountain, and Ridge and Valley sections (chiefly at elevationsabove 1,200 feet) ; fairly common locally in the northern part ofthe Piedmont section, occurring in northern Carroll County, andin the valley of Gunpowder Falls in northern Baltimore County;rare and local in the southern part of Baltimore County, occurringin the vicinity of Reisterstown (first recorded by Brumbaugh,1915) and once near the north boundary of Baltimore City (Mean-ley, 1938). Summer vagrant: One singing at Fulton, HowardCounty on June 26,1951; 10 July specimens (USNM) from Laurel,Maryland, and the District of Columbia taken during the period1888-1891. Transient: Common in all sections except the EasternShore section where it is LEGEND [;^-;::/j Principal Range# Local Record Figure 54.—Breeding range of Chestnut-sided Warbler. 294 NORTH AMERICAN FAUNA 62, FISH AND WILDLIFE SERVICE Habitat.—Breeding: Brushy, cut-over areas of oak-chestnut,mixed mesophytic, and northern hardwood forests; also in bear-oak barrens. Transient: Various types of deciduous forest. Nesting season.—Late May to mid-July. Extreme egg dates(18 nests) : May 28,1919, in Garrett County (J. M. Sommer), andJune 26, 1937, in Baltimore County (Meanley, 1938). A nest con-taining young was observed in Garrett County on June 15, 1955(L. McCollough, E. Minke). Young out of the nest, but not fullyfledged, were recorded on July 17, 1915, in Baltimore County(Brumbaugh, 1915). Spring migration.—Normal period: April 25-May 5 to May15-25; peak, May 5 to May 15. Extreme arrival dates: April 19,1902, in the District of Columbia (H. W. Maynard) ; April 23,1893, in Baltimore County (F. C. Kirkwood). Extreme departuredates: May 3
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1880, booksubjectzoology
