North American fauna . obacco, CharlesCounty, on May 5, 1939 (I. N. Gabrielson, F. M. Uhler) ; 300 alongthe C. and O. Canal in Montgomery County, on May 13,1950 (P. ) ; 240 at Greenbelt, Prince Georges County, on May 9,1953 (L. W. Oring, et al.). Fall: 300 in the Ocean City area onOctober 25,1949; 196 at Patuxent Refuge on October 26,1944; 100at Herring Run, Baltimore County, on October 16, 1930 (J. ). Winter (Christmas counts) : 6,500 in southern Dor-chester County on December 28, 1953; 4,001 in the Ocean Cityarea on December 27, 1954; 1,138 in the Wicomico River area,Charles
North American fauna . obacco, CharlesCounty, on May 5, 1939 (I. N. Gabrielson, F. M. Uhler) ; 300 alongthe C. and O. Canal in Montgomery County, on May 13,1950 (P. ) ; 240 at Greenbelt, Prince Georges County, on May 9,1953 (L. W. Oring, et al.). Fall: 300 in the Ocean City area onOctober 25,1949; 196 at Patuxent Refuge on October 26,1944; 100at Herring Run, Baltimore County, on October 16, 1930 (J. ). Winter (Christmas counts) : 6,500 in southern Dor-chester County on December 28, 1953; 4,001 in the Ocean Cityarea on December 27, 1954; 1,138 in the Wicomico River area,Charles and St. Marys Counties, on January 1, 1954. Banding.âOne recovered in Dorchester County, on February12, 1956, had been banded on Nantucket Island, Massachusetts,on October 20,1955. BLACK-THROATED GREEN WARBLER Dendroica v/rens (Gmelin) Status.âBreeding (see fig. 51) : Common in the AlleghenyMountain section; fairly common in the western part of the Ridgeand Valley section (Allegany County) ; uncommon in the eastern. Figure 51.âBreeding range of Black-throated Green Warbler. 288 NORTH AMERICAN FAUNA 62, FISH AND WILDLIFE SERVICE part of the Ridge and Valley section (Washington County, and inwestern Frederick County from Myersville north to the Pennsyl-vania line; also recorded in summer (July 20, 1947, and June 28,1948) in the Piedmont section at Cabin John, Montgomery : Common in all sections except the Eastern Shore sec-tion where it is uncommon. â¢Habitat.âBreeding: Hemlock stands, and mixed mesophyticforest (including deciduous types as well as mixed stands of con-iferous and deciduous trees). Transient: Various types of decidu-ous forest. Nesting season.âProbably mid-May to early July. Althoughno nests have been located, young birds out of the nest have beenrecorded several times. The earliest of these observations wasmade on June 12, 1949, in Garrett County. A pair was observedcopulating as early as May 19, 1935, in Allegany County (L. ).
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1880, booksubjectzoology
