. The warblers of North America . ole is very bulky for a bird so small. The base is composedof dry oak and beech leaves, and other leaves which dry hard, glossy,and without crumpling; on top of this heap a more compact structureis made, the leaves being placed points downward; then comes a goodlysupply of strips of grapevine bark and shreds of inner tree bark, soplaced that the rough ends extend beyond the rim of the nest. Alining is then put in place consisting of fine grass stems and, in somecases, long horse-hairs. A strict lining is not alway put in place,some birds being content to rest
. The warblers of North America . ole is very bulky for a bird so small. The base is composedof dry oak and beech leaves, and other leaves which dry hard, glossy,and without crumpling; on top of this heap a more compact structureis made, the leaves being placed points downward; then comes a goodlysupply of strips of grapevine bark and shreds of inner tree bark, soplaced that the rough ends extend beyond the rim of the nest. Alining is then put in place consisting of fine grass stems and, in somecases, long horse-hairs. A strict lining is not alway put in place,some birds being content to rest the eggs on the grapevine bark anda few intermingling grass stems. Although constructed of coarsematerials, the inside of the nest presents a neat appearance, the longshreds of bark and grasses crossing diagonally, much resemblingbasket work. The opening is not straight down, but slightly tilted,the jaggy leaf-stems and bark sometimes reaching two or three inchesabove the rim of the nest proper. * * * Two days seem to be Plate IV. d&{ffr&?tfflr£ru&fesi> 1. Bachmans Warbler, Adult Male. 3. Bachmans Warbler, Young Female 2. Bachmahs Warbler, Adult Female. 4. Worm-eating Warbler, Adult. 5 Swainsons Warbler, Adult.(.One-half natural size.) BLUE-WINGED WARBLER 65 ample time for the birds to complete a nest, and in more than oneinstance I have [found that] a nest commenced one day contained anegg the second day thereafter. () Ei£s-—4 to 6, usually 5. Ground color white, markings thesame as in the eggs of the Blue-winged Warbler, except that theyare more profuse and of larger size, tending to form small blotchesin many cases. Size; average, .; extremes, ., .,.61x48. (Figs. 15-17.) Nesting Dates.—Weaverville, N. C, May 22, Tarboro, N. C,June 22 (C. W. C.); Waynesburg, Pa., May 14-June 13 (Jacobs);Bethel, Conn., May 29-May 31 (Bishop); Monroe County, Mich.,May 17-June 18 (7. P N.). Biographical References (1) J. Warren, Nesting of the Golden-winged War
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Keywords: ., bookauthorfuer, bookcentury1900, bookdecade1900, booksubjectbirds
