The Black-necked Stilt (Himantopus mexicanus) breeds from west and southeast USA to south Chile and south Argentina. Frequents shallow salt or freshwater, in ponds, lagoons, Salinas, and sometimes tidal flats and estuaries. Adults are 38 cm (15 inches) in height and 150 g in weight.
Top and sides of head, hindneck and upperparts are black. Forehead, lores, eyespots, entire underparts, and rump are white. Tail pale gray, bill black, and legs pink. Feeds on small aquatic insects, crustaceans and mollusks.