painted bunting

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A small bird (Passerina ciris) of Central America and southern North America, the male of which has brilliant multicolored plumage.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A brightly colored finch (Passerina ciris) of the southern part of the United States
• noun Smith's longspur, Calcarius pictus.