North American fauna . period: September 5-15 to October25-November 5; peak, September 15 to October 15. Extremearrival date: August 31, 1916, in the District of Columbia ( Mrs. L. D. Miner). Extreme departure date: November 16,1926, in the District of Columbia (W. H. Ball). Breeding population densities (territorial males per 100acres).—104 ( in 22xk acres) in a uniform, nearly pure stand of needlerush marsh in Somerset County in 1948 (Springer and Stewart, 1948a).36 (6 in 16^ acres) in cattail marsh (mostly narrow-leaved cattail withscattered swamp rose-mallow) in Calvert County in
North American fauna . period: September 5-15 to October25-November 5; peak, September 15 to October 15. Extremearrival date: August 31, 1916, in the District of Columbia ( Mrs. L. D. Miner). Extreme departure date: November 16,1926, in the District of Columbia (W. H. Ball). Breeding population densities (territorial males per 100acres).—104 ( in 22xk acres) in a uniform, nearly pure stand of needlerush marsh in Somerset County in 1948 (Springer and Stewart, 1948a).36 (6 in 16^ acres) in cattail marsh (mostly narrow-leaved cattail withscattered swamp rose-mallow) in Calvert County in 1948 (Springer andStewart, 1948a). Maximum counts.—Fall: 50 in the Gunpowder River marshon October 25, 1900 (F. C. Kirkwood). Winter (Christmascounts) : 127 in southern Dorchester County on December 28,1953; 27 in the Ocean City area on December 21, 1952. SHORT-BILLED MARSH WREN Cistothorus platensis (Latham) Status.—Breeding (see fig. 42) : Common in the tidewater BIRDS OF MARYLAND AND DISTRICT OF COLUMBIA 237. LEGENDI Principal Range# Local Record Figure 42.—Breeding range of Short-billed Marsh Wren. areas of Somerset, Wicomico, and Dorchester Counties; uncom-mon in the tidewater areas elsewhere in the Eastern Shore andWestern Shore sections; uncommon and local in the Allegheny-Mountain section; rare and irregular in the interior of theWestern Shore section and in the Piedmont section—recordedin summer from Baltimore County (F. C. Kirkwood, H. Kolb),Montgomery County (P. F. Springer), Prince Georges County(Stewart, et al., 1952), and Frederick County. Transient:Fairly common in the tidewater areas of the Eastern Shoresection; rare elsewhere in all sections. Wintering: Common inthe tidewater areas of Somerset, Wicomico, and DorchesterCounties; uncommon in the coastal area of Worcester County;rare in the tidewater areas of Talbot, Queen Annes, St. Marys,and Charles Counties. Habitat.—In the Eastern Shore and Western Shore sections,this species is most commonly foun
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1880, booksubjectzoology
