A small, yellow-headed passerine bird, Auriparus flaviceps, endemic to desert areas of the southwestern United States, that is the only species of family Remizidae found in the New World.
2000, Kenn Kaufman, Verdin, Steven J. Phillips, Patricia Wentworth Comus (editors), A Natural History of the Sonoran Desert, Arizona-Sonora Desert Museum Press, University of California Press, Revised and Updated Edition, page 422,
Tiny and rather plain, the Verdin seems quite unremarkable at first sight.