View Larger Image Ruddy Duck – Mallard size comparisonMia McPherson2021-11-24T09:43:28-06:00 Image Title and Information Title: Ruddy Duck – Mallard size comparison Location: Salt Lake County, Utah Date: 12/12/2016 Related Posts Image Details Categories: Ruddy Duck Images Tags: adultAnas platyrhynchoscomparisondiving ducksduckducksfemalehenMallardOxyura jamaicensisRuddy DuckSalt Lake CountysizeUtahwaterwaterfowlwinter