439. 11. Sterna minuta, Linn. Least Tern.

Plate CCCXIX. Adult and Young.

Bill about the length of the head, slender, yellowish-orange, with the

tips black, but the extreme points horn-colour; feet light orange-red;

wings an inch or more longer than the tail, which is deeply forked; on

the forehead a triangular white patch, extending to over the middle of

the eye; upper part of head and nape, and loral space, deep black;

sides of head, fore neck, and lower parts pure white; back and wings

very pale bluish-grey; first two quills with the outer web

greyish-black, and rather less than half of their inner web of the

same colour, the rest white, extending to about half an inch from

their extremities; tail white in summer, of a paler tint than the back

at other times. Young, when fledged, with the bill greenish-black, all

the lower parts dull greyish-white, as are the upper, including the

tail, the hind part of the head streaked with dusky, on the back and

rump the feathers with a curved marginal band of greyish-brown;

primary quills greyish-brown, the outer two darker; tail even, each

feather narrowly margined with greyish-white.

_Adult_, 8-3/4, 18-3/4.

Breeds from Galveston along the shores to Labrador. Not mentioned as

found in the Fur Countries. Returns southward, and passes beyond Texas

in autumn. Extremely abundant at times on the Great Lakes, as well as

the Ohio and Mississippi.

Least Tern, Sterna minuta, Wils. Amer. Orn. v. vii. p. 80.

Sterna minuta, Bonap. Syn. p. 355.

Silvery Tern, Sterna argentea, Nutt. Man. v. ii. p. 280.

Least Tern, Sterna minuta, Aud. Orn. Biog. v. iv. p. 175.

* Tail graduated.

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