Official Web Site of Alabama Department of Conservation and Natural Resources
IDENTIFY RING-NECKED DUCK - WWT SLIMBRIDGE
Ring-necked Duck : Minnesota Breeding Bird Atlas
Drake Ring-necked Duck – Feathered Photography
Mini-Tutorial: Two Scaup and the Ring-necked Duck
Juvenile Ring-necked Duck, It was hanging out whith a pair …
Ring-necked Duck Oklahoma Department of Wildlife Conservation
Ring-necked Duck — Nature Photography Blog
Ring-necked Duck Overview, All About Birds, Cornell Lab of Ornithology
Ring-necked Duck Hen Feeding Photograph by Anthony Mercieca - Fine Art America
Why it's called a Ring-necked Duck (even though ring-billed would make more sense)
Gallery - Waterfowl — Eastside Audubon Society