The Black-necked Stilt is found throughout the tropics and subtropics of North, Central and South America. Though it will only breed at freshwater sites, it occurs in a wide variety of shallow wetlands including marshes, swamps, lake edges, river courses, sewage ponds, salt-pans and coastal salt marshes where it feeds on aquatic invertebrates with a variety of visual and tactile methods. The Black-necked Stilt is highly distinctive, being white below, black above with very long, thin bright red legs. Two subspecies occur in the Americas, differing only in the presence of a white-cap and collar in the southern subspecies. The two subspecies grade into one another fairly rapidly and in general the northern subspecies occurs from the central Peruvian Coast north, including the Andes, to North America and across northern South America and the southern subspecies occurs throughout the Amazon south to edge of the southern Temperate zone and along the southern Pacific coast but their breeding and non-breeding distributions are poorly known and require further study.