433. 5. Sterna Hirundo, Linn. Common Tern.

Plate CCCIX. Male.

Bill about the same length as the head, rather slender, bright

coral-red, towards the end black, the tip light yellow; feet

coral-red, lighter than the bill; wings slightly shorter than the

tail, which is very deeply forked; upper part of head and hind neck

half-way down, deep bluish-black, anteriorly tinged with brown; sides

of head, fore neck, and all the lower parts white, with a slight tinge

of greyish-blue on the breast; back, scapulars, and wings light

greyish-blue; edges of wings, rump, and upper tail-coverts white,

slightly tinged with grey; first primary with the outer web deep

black, the shaft white, on the inner web a greyish-black band running

along the shaft, narrow at the base, and widening, so as to occupy the

whole breadth of the web for an inch at the end, where it is hoary;

the next five with the outer web, and a varying portion of the inner

in nearly their whole length hoary, but with a dusky shade, becoming

more apparent at the end; the rest of the quills like the back, but

margined and tipped with white; tail-feathers with the inner webs

white, the outer of the colour of the back, paler on the middle

feathers, gradually deepening outwards, and on the outer feathers dark

grey. Young, in first plumage, with the bill dull greenish-black, its

tip yellowish, feet greenish-yellow; upper parts chiefly light brown.

In winter, the bill black, with the base pale orange, the tip

yellowish, the feet orange-yellow; the colour of the plumage as in the

adult, the forehead white, the rest of the head dusky, the upper parts

having the feathers slightly margined with lighter.

_Male_, 16, 31-1/2.

Breeds from Galveston Islands along the shores of the Atlantic to

Labrador, and as far north as Lat. 57°. Returns southward in autumn,

passing beyond the Texas. Extremely abundant.

Great Tern, Sterna Hirundo, Wils. Amer. Orn. v. viii. p. 76.

Sterna Hirundo, Bonap. Syn. p. 354.

Sterna Hirundo, Great Tern, Swains. & Rich. F. Bor. Amer. v.

ii. p. 412.

Great or Common Tern, Nutt. Man. v. ii. p. 271.

Common Tern, Sterna Hirundo, Aud. Orn. Biog. v. iv. p. 74.

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