Where to see a Ruddy Duck in the US
State parks where the Ruddy Duck is regularly recorded, by state (eBird historical checklist data; live sighting odds on every park page):
- California — 216 parks
- New York — 207 parks
- Massachusetts — 149 parks
- Oregon — 147 parks
- Washington — 147 parks
- Florida — 139 parks
- Pennsylvania — 119 parks
- Connecticut — 118 parks
- Ohio — 79 parks
- Minnesota — 71 parks
- Maryland — 66 parks
- Michigan — 65 parks
- Texas — 62 parks
- New Jersey — 61 parks
- Illinois — 58 parks
- Iowa — 58 parks
- Montana — 57 parks
- Nebraska — 50 parks
- Colorado — 48 parks
- Rhode Island — 47 parks
- New Mexico — 46 parks
- Wisconsin — 42 parks
- Utah — 42 parks
- North Carolina — 39 parks
- Virginia — 37 parks
- Kansas — 36 parks
- Indiana — 35 parks
- South Carolina — 30 parks
- Idaho — 30 parks
- Oklahoma — 27 parks
- Nevada — 26 parks
- Delaware — 25 parks
- Arizona — 25 parks
- Tennessee — 24 parks
- Missouri — 24 parks
- New Hampshire — 21 parks
- North Dakota — 18 parks
- Georgia — 17 parks
- Maine — 15 parks
- West Virginia — 15 parks
- Alabama — 14 parks
- Arkansas — 14 parks
- Wyoming — 12 parks
- Vermont — 11 parks
- Kentucky — 8 parks
- Mississippi — 6 parks
- Louisiana — 6 parks
- South Dakota — 6 parks