A Synopsis of the Birds of North America

by John James Audubon

Blue-Mountain Warbler, Sylvia montana, Wils. Amer. Orn. v. v. p. 113.

Sylvia tigrina, Bonap. Syn. p. 83; but not of Gmelin or Latham, as the figure of Edwards, to which reference is made, has the tail not rounded, but emarginate.

99. 24. Sylvicola agilis, Wils. Connecticut Wood Warbler.—Connecticut Warbler.

Plate CXXXVIII. Male and Female.

Wings long, with the first quill longest, and exceeding the first secondary by eleven-twelfths of an inch; middle toe and claw longer than the tarsus; tail of moderate length, nearly even, with acuminate feathers. Male olive-green above; a ring of yellowish-white round the eye; the head, neck all round, and part of the breast ash-grey, the sides greyish-green; the rest of the lower parts bright yellow. Female olive-green above, yellow beneath, the sides of the neck and a band across the breast tinged with brown.

Male, 5³/₄, 8.

New Jersey, Pennsylvania, and Connecticut. Very rare. Migratory.

Connecticut Warbler, Sylvia agilis, Wils. Amer. Orn. v. v. p. 64.

Sylvia agilis, Bonap. Syn. p. 84.

Connecticut Warbler, Sylvia agilis, Nutt. Man. v. i. p. 399.

This species forms a connecting link between Sylvicola and Trichas, having the long pointed wings of the former, and the general appearance of the latter, which it resembles, especially in its tail, which is neither emarginate, nor marked with the white spots seen on that of almost all the other Sylvicolæ, but which do not exist in the genus Trichas. Some of the Sylvicolæ are, in like manner, assimilated to Myiodoctes, and others to Vermivora. Of the former may be mentioned, Sylvicola Auduboni and S. coronata; of the latter, S. Blackburniæ.

GENUS III. TRICHAS, Swains. GROUND-WARBLER.

Bill of moderate length, similar in form to that of Sylvicola, differing only in being a little decurved. The general form does not differ materially from that of Sylvicola, the head being ovate and of moderate size, the neck short, the body rather slender; the feet of moderate length, slender; tarsus slender, much compressed, longer than the middle toe with its claw, anteriorly covered with eight scutella, of which the upper are blended; toes of moderate size, hind toe proportionally large, lateral toes equal, fourth adherent at the base; claws rather long, arched, much compressed, laterally grooved, very acute. Plumage soft and blended. Wings rather short, convex, considerably rounded, the third and fourth quills longest, the fifth little shorter. Tail of moderate length, rounded, always plain, or without white spots.