(n)stilt of southwestern United States to northern South America having black plumage extending from the head down the back of the neck, Syn.Himantopus mexicanus
(n)stilt of the southwest Pacific including Australia and New Zealand having mostly white plumage but with black wings and nape of neck, Syn.Himantopus himantopus leucocephalus
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)