. A manual of North American birds [microform]. Birds; Ornithology; Oiseaux; Ornithologie. ^m. i X 670 NORTH AMERICAN BIRDS. about , wing , tail tiab. Western Mexico (Mazatlan to Tehuantepec). P. nigriceps Baird. Baird's Gnatcatcher.^ d*. Lores, superciliary region, and greater portion of ear-coverts white, in abrupt contrast with black or gray of top of head; a distinct black or gray streak behind eye, along upper edge of ear-coverts; length about , wing , tail Hab. Guatemala to Peru and Venezuela. P. bilineata (Bp.). White-browed Gna
. A manual of North American birds [microform]. Birds; Ornithology; Oiseaux; Ornithologie. ^m. i X 670 NORTH AMERICAN BIRDS. about , wing , tail tiab. Western Mexico (Mazatlan to Tehuantepec). P. nigriceps Baird. Baird's Gnatcatcher.^ d*. Lores, superciliary region, and greater portion of ear-coverts white, in abrupt contrast with black or gray of top of head; a distinct black or gray streak behind eye, along upper edge of ear-coverts; length about , wing , tail Hab. Guatemala to Peru and Venezuela. P. bilineata (Bp.). White-browed Gnatcatcher.* a*. Exposed portion of inner web ot outer tail-feather with at least the basal half black. bK Adult males with top of head glossy black. c\ Outer tail-feather with outer web entirely white, the inner web broadly tipped with white. Adult male: Above light bluish gray (as in P. ccenilea), the whole top of head, down to lores and auriculars, uniform glossy black; eyelids white ; lower parts white, shaded with bluish gray on sides. Adult female: Top of head wholly gray, the plumage otherwise as in male, but usually somewhat duller. Young: Similar to adult female, but somewhat washed with brown- ish—the young male attaining the black by degrees, com- mencing with a streak over each eye. Length about , wing , tail Eggs .54 X -42. Hab. Southwestern border of United States, from southern Texas to lower Colorado Valley, and thence south to Cape St. Lucas; northern Mexico. 752. P. plumbea Baird. Plumbeous Gnatcatcher. c'. Outer tail-feather with outer web black, edged with white, the inner web narrowly tipped with white. Adult male: Top of head black, as in P. plumbea, rest of upper parts dark bluish gray or slate-gray; eyelids white; lower parts duU light gray, deeper laterally, tinged with brownish poste- riorly. Adult female: Similar to male, but with black on head wholly replaced by the general dark gray color, the latter duller than in male
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1887
