CHAR. Bill slightly notched some distance from the tip. Rictal
bristles minute. Hind toe considerably developed, longer than the
lateral toe; its claw decidedly longer than its digit. First quill
nearly or quite as long as the second. Wings long, pointed; much
longer than the tail, which is nearly even. Tail-feathers with white
spots. Bill much compressed for terminal half, the commissure and
lateral outlines decidedly concave; the culmen and gonys convex.