https://digitalcommons.usf.edu/ffn/vol12/iss2/3/
"Ruddy Duck Breeds in Tampa, Florida" by Florida Field Naturalist
By Florida Field Naturalist, Published on 01/01/84
ruddy ducktampa floridaby fieldbreedsnaturalist
https://countrycaptures.blogspot.com/2008/05/ruddy-duck-hens.html
Country Captures: Ruddy Duck Hens
A couple of weeks ago I encountered a Ruddy Duck drake while visiting the lake and featured him on an earlier post. This past Saturday I bu...
ruddy duckcountrycaptureshens
https://my.matterport.com/show/?m=5NZmb4pHfwp&mls=1
4011 Ruddy Duck Way - Matterport 3D Showcase
Matterport 3D Showcase. 4011 Ruddy Duck Way, Wilmington, NC, 28412, US.
ruddy duckwaymatterportshowcase
https://countrycaptures.blogspot.com/2008/11/migrants-ruddy-duck.html?showComment=1225850220000
Country Captures: Migrants: Ruddy Duck
The autumn waterfowl migration is underway in our area. Many species of ducks pass through our area but never stay long. While fishing I no...
countrycapturesmigrantsruddyduck
https://nasher.duke.edu/artwork/20817/
Ruddy Duck from the portfolio Birds of America - Nasher Museum of Art at Duke University
https://britbirderinbc.blogspot.com/2010/05/ruddy-heck-noteworthy-duck.html
Birding Vancouver Island: A Brit birder in BC, Victoria & Nanaimo: Ruddy heck, a noteworthy duck!
Didn't really get any birding in today until early evening when an, ill-timed, visit to Holden Creek coincided with a spell of persistent dr...
https://repository.si.edu/items/3063e11b-2a38-4a34-9595-a062c88b4470
On certain secondary sexual characters in the male ruddy duck, IErismaturajamaicensis/I (Gmelin)