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Page:Ornithological biography, or an account of the habits of the birds of the United States of America, volume 1.djvu/505

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477
YELLOW-POLL WARBLER.

med externally of hemp, flax, or woolly substances, and is well lined with different kinds of hair, intermixed with softer materials. It breeds twice during the summer, and returns southward in the beginning of autumn, in small parties, shifting chiefly by night. During the breeding-season, this little bird, when approached, shews great anxiety for the preservation of its eggs or young, and tries, with all the artifices employed by many other species, to entice the aggressor away from its nest. They are seen, on their return to the south, passing through Louisiana in October.

I made my drawing of this species near Natchez, and having killed the specimen while it was searching for insects among the flowers of a large climbing plant, I have figured part of the latter also. This plant I have never seen, excepting in low, damp or marshy places. It there runs over decayed trees, spreading in the form of a bower, and hanging in graceful festoons. The long pendulous clusters of pale purple flowers are destitute of odour.


Sylvia æstiva, Gmel. Syst. Nat. vol. i. p. 996.—Lath. Ind. Ornith. vol. ii. p. 551.—Ch. Bonaparte, Synops. of Birds of the United States, p. 83.

Yellow-poll Warbler, Lath. Syn. vol. iv. p. 515.

Blue-eyed Warbler, Sylvia citrinella, Wils. Amer. Ornith. vol. ii. p. 111. Pl. 15. fig. 6.


Bill about as long as the head, slender, straight, subulate, as deep as broad at the base. Nostrils basal, lateral, elliptical, half closed by a membrane. Head rather small. Neck short. Body ovate, rather slender. Feet of ordinary length, slender; tarsus longer than the middle toe, covered anteriorly with a few scutella, the uppermost long; toes scutellate above, the inner free, the hind toe of moderate size; claws slender, compressed, acute, arched.

Plumage soft, blended, tufty, a few bristles at the base of the bill. Wings of ordinary length, acute. Tail longish, slightly forked.

Bill dark blue, the lower mandible edged with yellow. Iris brown. Feet and claws pale brown. Hind head and upper parts generally pale yellowish-green, the tail-coverts more yellow. The fore part of the head, the cheeks, the throat, and the sides of the neck, pure golden-yellow; the rest of the lower parts yellow, the breast and sides streaked with brownish-red. Quills and alula deep brown, their outer webs yellowish, as are