Ring-necked Duck (Aythya collaris)
From the U.S. Fish and Wildlife Service's online digital media library.
Check http://images.fws.gov/ for higher quality version.
Title: Ring-necked duck
Alternative Title: (none)
Creator: Menke, Dave
Publisher: U. S. Fish and Wildlife Service
Contributor: NATIONAL CONSERVATION TRAINING CENTER-PUBLICATIONS AND TRAINING MATERIALS
Language: EN - ENGLISH
Rights: (public domain)
Subject: Birds, Desoto National Wildlife Refuge, Iowa, Migratory birds, waterfowl
Date Issued: October 31 2001