273. Oxyechus vociferus. 11 inches.

Next to the Spotted Sandpiper this is one of the most commonly known of the shore birds throughout the United States. They are very noisy, continually uttering their note of “Kil-deer—kil-deer,” from which they take their name. Rump and base of tail reddish brown; with a black line across the tail near the end; the two central feathers black to the end, the others white at the end. Breast crossed by two bands of black; a white forehead, and white streak back of the eye.

Nest.—Is placed on the open ground, with a few pieces of grass for lining. The four drab-colored eggs covered with dark brown spots are usually placed in the nest with the small ends in the center (1.50 × 1.10).

SEMIPALMATED PLOVER.

274. Ægialitis semipalmata. 7 inches.

The “ringed” plover is smaller than the above but one black band across the breast; black line from base of bill to eye and up over the top of the head. Forehead white. Abundant along the shores.

WILSON PLOVER.

280. Ochthodromus wilsonius. 7½ inches.

A very common Plover, which may be distinguished from the preceding by the much heavier bill; it has no black on top of the head and white on the forehead extends back behind the eye; the black band across the breast is heavier and does not extend around the back of the neck.