. A history of North American birds [microform] : land birds. Birds; Ornithology; Oiseaux; Ornithologie. 216 NOUTIl AMKIUUAN BIRDS. gonernlly predominates, on tlie rump the violet; wings imd lull lilaek, with violet re- llectioii, more lihiish on the lutler; llie wiiiji-coverls IVec|nent!y tipped with Kteei-bhie or violet, liill, tarsi, and Iocs pnre lilaciroach to the sharp definition and sym- metrical pattern of cohnation char- acteristic of the western race, var. purp„r,us. ^hc female is a little less bril- liant than the male, and .slightly smaller. Tlie young is entirely uniloim slaty-bro


. A history of North American birds [microform] : land birds. Birds; Ornithology; Oiseaux; Ornithologie. 216 NOUTIl AMKIUUAN BIRDS. gonernlly predominates, on tlie rump the violet; wings imd lull lilaek, with violet re- llectioii, more lihiish on the lutler; llie wiiiji-coverls IVec|nent!y tipped with Kteei-bhie or violet, liill, tarsi, and Iocs pnre lilaciroach to the sharp definition and sym- metrical pattern of cohnation char- acteristic of the western race, var. purp„r,us. ^hc female is a little less bril- liant than the male, and .slightly smaller. Tlie young is entirely uniloim slaty-brown, without gloss. An example of this race {'2'2,')'2C), Washington, D. C. ?) is almost wholly of a continuous rich pur[)le, interrupted only on tiie , where, anteriorly, the purple is overlaid l)y bright green, the featliers with terminal transverse bars of bluish. On the lower parts are scattered areas of a more bluish tint. The ])urple is richest and of a reddish cast on the neck, passing gradually into a bluish tint toward the bill; on the rump and breast the purple has a somewliat bronzy appearance. The common Cow BL jkbird of the eastern United States e\- liibits three well-marked ami permanently varying ibrms, wiiicli we present as races. Yet tliese variations are .so well marked and so constant that they almost claim the right to be treated as specifically distinct. We shall con- sider them by themselves. They are the Purple Grakle, or common Crow Blackbird, Quiiicaliin piirj)itirm; the Bronzed Grakle, Q. ccnciai; and the Florida Grakle, (J. fi(//rnin. The first of tliese, the well-known Crow Blackbird of tlie Atlantic States, so far as we are now informed, has an area extending from Xorthern Florida on the .south to Maine, and from the Atlantic to the AUeghauies. ^Ir. Allen states that the second form is the typical form of New England, but my ob- servations do not confirm his statement. Both the eastern and the western forms occur in


Size: 1902px × 1313px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1870, booksubjectbirds, booksubjectorn