From the U.S. Fish and Wildlife Service's online digital media library.
Check http://images.fws.gov/ for higher quality version.

Metadata
Title: Canvasback Drake
Alternative Title: Aythya valisineria
Creator: Hester, Eugene
Source: WO377-48
Publisher: U.S. Fish and Wildlife Service
Contributor: DIVISION OF PUBLIC AFFAIRS
Language: EN - ENGLISH
Rights: (public domain)
Audience: (general)
Subject: waterfowl, ducks, Maryland, animals, wildlife, birds, bird, duck
Date Issued: January 22 2002