Wilson's warbler definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a small, green-and-yellow North American wood warbler (Wilsonia pusilla)
Origin: after Alexander Wilson
Wilson's warbler definition by American Heritage Dictionary
A North American warbler (Wilsonia pusilla) with olive-green plumage, yellow underparts, and a black patch on top of the head.
Origin: After Alexander Wilson (1766-1813), Scottish-born American ornithologist.