399. 4. Fuligula rufitorques, Bonap. Ring-necked Duck.

Plate CCXXXIV. Male and Female.

Bill about the same length as the head, a little enlarged toward the

end; tail much rounded, of sixteen feathers; occiput slightly crested.

Male with the bill black, with a basal and subterminal line

bluish-white; head and upper part of neck greenish-black, with purple

reflections; a very narrow brownish-red collar; lower part of neck all

round, as well as the back, scapulars, smaller wing-coverts, and rump

above and below, brownish-black; inner secondaries of the same colour,

outer bluish-grey on the outer web, light brown on the inner, as are

the primaries, of which the outer webs and tips are dark brown; tail

brownish-grey; chin white; breast greyish-white; sides and abdomen

greyish-white, minutely undulated with grey. Female with the bill

dusky, the neck umber-brown, upper part of head darker, back

blackish-brown, speculum bluish-grey as in the male; breast

brownish-white; loral space and chin pale brown; sides and abdomen

dark umber-brown.

_Male_, 18, 28. _Female_, 16.

Abundant on the Ohio during autumn, winter, and early spring; rather

rare along the coasts of the Middle Atlantic Districts. Breeds far

north.

Fuligula rufitorques, Bonap. Syn. p. 393.

Tufted Duck, Anas Fuligula, Wils. Amer. Orn. v. viii. p. 60.

Ring-necked Duck, Anas (Fuligula) rufitorques, Swains. & Rich.

F. Bor. Amer. v. ii. p. 453.

Ring-necked Duck, Fuligula rufitorques, Nutt. Man. v. ii. p.

439.

Ring-necked Duck, Fuligula rufitorques, Aud. Orn. Biog. v.

iii. p. 259.

** Bill very broad, much flattened, the unguis abruptly curved

backwards.

A Synopsis of the Birds of North America · 第 374 / 469 题