Mallard Duck
Photo: Richard Bartz, CC BY-SA 2.5
Ducks were among the most frequently mentioned waterfowl in the expedition journals, observed along virtually every waterway. Lewis and Clark noted multiple species but most commonly encountered the mallard. Ducks served as a supplemental food source and were often mentioned alongside geese, pelicans, and other waterfowl in the daily wildlife observations.
Where it’s being seen today
96 research-grade iNaturalist observations between 2015–2026. Most recent: 2026-04-01. Sourced from Terrain360 trail captures, cached locally.
Journal References
15 journal entries mention Mallard Duck