. Birds of America;. Birds -- North America. Fhoto by U. K. .lub Courtesy of Outmg Pub. Co. BANK SWALLOW AT NEST A hole in a gravel bank ROUGH-WINGED SWALLOW Stelgidopteryx serripennis {Aiidithnn) A. O. U. Number 617 Sec 1 olor I'late S8 Other Names.— Bridge Swallow ; Rough-wing. General Description.— Length, 5)4 inches. Plum- age, grayish-brown, |ialer below. Bill, much depressed and moderately broad; tail, about J<2 length of wing, slightly notched. Adult male with barbs of outer web of outermost primary stiffened and abruptly recurved at tip, causing a file-like roughness when the finger
. Birds of America;. Birds -- North America. Fhoto by U. K. .lub Courtesy of Outmg Pub. Co. BANK SWALLOW AT NEST A hole in a gravel bank ROUGH-WINGED SWALLOW Stelgidopteryx serripennis {Aiidithnn) A. O. U. Number 617 Sec 1 olor I'late S8 Other Names.— Bridge Swallow ; Rough-wing. General Description.— Length, 5)4 inches. Plum- age, grayish-brown, |ialer below. Bill, much depressed and moderately broad; tail, about J<2 length of wing, slightly notched. Adult male with barbs of outer web of outermost primary stiffened and abruptly recurved at tip, causing a file-like roughness when the finger is drawn along the quill from base toward tip. Color.—Adults: Above, including sides of head and neck, plain grayish-brown of very nearly uniform tone throughout, but crown slightly darker than rump; chin, throat, chest, sides, and flanks, plain pale grayish hair- brozvn or brownish-gray, the chin and throat usually somewhat paler than chest and sides; rest of under parts, white; iris, brown. Young: Similar to adults, but upper parts washed or overlaid by pale cinnamon or fawn color; chin, throat, and chest tinged witli paler cinnamon or fawn color. Nest and Eggs.— Nest : Located in a burrow in a sand bank, usually excavated by the birds themselves, wide enough to admit a man's arm, and somewhat broader than high, and from 3 to 5 feet long; large and bulky and usually composed of sticks, weed stalks, grass, and leaves. Eggs : 3 to 7. commonly 4 to 6. white. Distribution.— Temperate North America, Mexico, and Central America as far as Costa Rica; breeding north to Connecticut, central Massachusetts, south- eastern New York. Ontario, northern Indiana, southern Wisconsin, southern Minnesota, North Dakota. Mon- tana, and British Columbia, south to Georgia. Louisi- ana. Texas, and over greater part of Mexico, as far as State of Vera Cruz; casual northward to northern Michigan and Manitoba ; in winter southward through Central America to Costa Rica, occasionally wint
Size: 2658px × 940px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorpearsont, bookcentury1900, bookdecade1920, bookyear1923
