Haematopus Linn., Syst. Nat., i, 10th ed., p. 152 (1758).
Type by mon., N. ostralegus Linn.
In this genus the bill is very long, compressed, slightly truncated at the end; the nostril is linear, narrow and placed near the base of a groove, which extends about half-way to the tip of the upper mandible the wings are long and pointed, with the first primary longest; the tarsus is short, stout and reticulated throughout; there is no hind toe and the anterior toes are short, tout, narrowly edged with a membrane and slightly webbed between the toes, more especially between the third and fourth.
The genus is cosmopolitan, one species, with two races, being represented in India