_Voice._--My first impression of the note as heard on the breeding grounds was recorded as a loud, guttural _whuck, whuck, whuck_; at other times it has seemed harsh and shrill. Audubon (1840) referred to their ordinary notes as "a whistling cry, different from the _cleek, cleek, cleek_, which they emit when they have nests or young." C. J. Maynard (1896), speaking of the breeding season, says: "The note at this time was quite different from that given earlier in the season, as they now uttered short syllables sounding like _put, put, put_, repeated rapidly, that of the males being harsh, while the females gave it shriller and more continuous." _Fall._--Stuart T. Danforth (1925), who made some studies of a breeding colony of stilts in Porto Rico, thus describes their departure in the fall: By the latter part of June the adults had begun to flock again, and by the middle of September all the stilts at the lagoon (155 by actual count) had formed one compact flock. This count was made on September 17. By September 20 only about 50 were left; on September 23 there were 20; on September 27 and September 30, 16; on October 7, 5. After that none were seen. DISTRIBUTION _Range._--The United States, and Central and South America. _Breeding range._--North to Oregon (Klamath Lake, Burns and Malheur Lake); Utah (Brigham and Salt Lake City); Colorado (San Luis Lake and Fort Garland); Louisiana (Black Bayou, Calcasieu, Abbeville, and Vermilion Bay); and Florida (Titusville). East to Florida (Titusville, Cape Canaveral, Kissimmee, Eden, and Lake Hicpoche); the Bahama Islands (Andros, Inagua and Green Cay); Cuba (Manzanillo); Porto Rico (Guanica lagoon); Venezuela (lagoon of Savonet and Curacao); Peru (Upper Ucayali River); and probably Ecuador (Guayaquil). South to probably Ecuador (Guayaquil); and probably the Galapagos Islands (Chatham and Albemarle Islands). West probably, to the Galapagos Islands (Albemarle Island); probably Nicaragua (Momotombo); probably Oaxaca (Tehuantepec); Tamaulipas (Tampico and Matamoras); probably lower California (San Quintin Bay); California (Santa Ana, Los Angeles, Castac Lake, Buena Vista Lake, Alila, Tulare Lake, Fresno, Los Banos, Stockton, Sutter County, and Tule Lake); and Oregon (Klamath Lake). There also is a breeding record for Saskatchewan (Fort Qu'Appelle, June 13, 1894). _Winter range._--The black-necked stilt is no doubt resident throughout most or all of its breeding range in Central and South America. At this season it has been detected north to lower California (San Jose del Cabo, Santiago, and Cape San Lucas); Sinaloa (Mazatlan and Escuinapa); Tamaulipas (Matamoras); Texas (Brownsville and Refugio County); rarely Louisiana (Grand Chenier); Florida (Fort Myers); and Porto Rico.