. The warblers of North America . References(i) Wm. Brewster, On a Collection of Birds lately made by Mr. F. Ste-phens in Arizona, Bull. Nutt. Orn. Club, VII, 1882, 135. (2) W. W. Price, Nestand Eggs of the Olive Warbler, Auk, XII, 1895, if. (3) O. W. Howard,Summer Resident Warblers of Arizona, Bull. Cooper Orn. Club (^Condor),I, 1899, 37- Genus DENDROICA Gray This, the largest genus of the family, contains the true WoodWarblers. Among so many species there is, as might be expected,much variation and the extremes in Dendroicfi, could one disposeof the intermediates, might readily be placed, in
. The warblers of North America . References(i) Wm. Brewster, On a Collection of Birds lately made by Mr. F. Ste-phens in Arizona, Bull. Nutt. Orn. Club, VII, 1882, 135. (2) W. W. Price, Nestand Eggs of the Olive Warbler, Auk, XII, 1895, if. (3) O. W. Howard,Summer Resident Warblers of Arizona, Bull. Cooper Orn. Club (^Condor),I, 1899, 37- Genus DENDROICA Gray This, the largest genus of the family, contains the true WoodWarblers. Among so many species there is, as might be expected,much variation and the extremes in Dendroicfi, could one disposeof the intermediates, might readily be placed, in different a whole, however, Dendroica may be known by its com-paratively short (except in D. dominica) rounded, notched bill withslightly curved culmen, and short, but evident rictal bristles. Thewing is generally less than .80 inches longer than the tail; the fourouter primaries are of about equal length. The. tarsus is longer thanthe middle toe and nail, the nail of the hind-toe is nearly as long asthe toe. Plate IX. 1. Black-throated Blue Warbler, Adult Male. 4. Cerulean Warbler, Adult Male. 2. Black-throated Blue Warbler, Adult Female. 5. Cerulean Warbler, Adult Female. 3. Black-throated Blue Warbler, Young Male. 6 .Cerulean Warbler, Young Male. (one-half natural size.) YELLOW WARBLER n^ There is no pronounced type of color in Dendroica but nearlyall the species have wing-bars and all have white patches in the tail,except D. astiva and its allies which have the tail marked with a rule, the sexes are unlike in color but in dominica, gracice, kirt-landi, and discolor there is little sexual difference in plumage and inpalmarum the sexes cannot be distinguished with certainty. All but kirtlandi and palmarum nest in trees or bushes, these twospecies alone nesting on the ground; a habit which may account forthe strong brown or gray tone of their dorsal plumage. Dendroica contains some thirty-four species of which twenty-three enter our limits, the remainder i
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Keywords: ., bookcentury1900, bookdecade1910, bookidcu319240, booksubjectbirds
